CN210335219U - Positioning fixture - Google Patents
Positioning fixture Download PDFInfo
- Publication number
- CN210335219U CN210335219U CN201920684641.1U CN201920684641U CN210335219U CN 210335219 U CN210335219 U CN 210335219U CN 201920684641 U CN201920684641 U CN 201920684641U CN 210335219 U CN210335219 U CN 210335219U
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- Prior art keywords
- positioning
- base
- block
- positioning mechanism
- mounting
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- 230000007246 mechanism Effects 0.000 claims abstract description 91
- 238000001179 sorption measurement Methods 0.000 claims abstract description 21
- 239000004677 Nylon Substances 0.000 claims description 47
- 229920001778 nylon Polymers 0.000 claims description 47
- 238000009434 installation Methods 0.000 claims description 8
- 239000011521 glass Substances 0.000 description 3
- 238000003754 machining Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000007599 discharging Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
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Abstract
A positioning clamp comprises a bracket, a left positioning mechanism, a right positioning mechanism, a front positioning mechanism, a rear positioning mechanism and a working table; the bracket supports the left and right positioning mechanisms; the left and right positioning mechanisms comprise left and right mounting bottom plates, left positioning mechanisms and right positioning mechanisms; the left positioning mechanism comprises a driving cylinder I, a cylinder connecting block I, a cylinder fixing block I, a left positioning base, a sliding linear rail, a linear rail mounting base I, a left torsion spring base, a torsion spring mounting base and a torsion spring positioning block; the right positioning mechanism comprises a driving cylinder II, a cylinder connecting block II, a cylinder fixing block II, a right positioning base, a sliding linear rail, a linear rail mounting base II, a right base and a right positioning block; the front and rear positioning mechanisms comprise a front positioning mechanism and a rear positioning mechanism; the front positioning mechanism comprises a front positioning base, a front mounting seat and a front positioning block; the rear positioning mechanism comprises a bottom plate cushion block, an adsorption platform base, an adsorption platform, a cylinder mounting seat, a driving cylinder III, a mounting seat and a rear positioning block. The utility model discloses can realize centering a plurality of work pieces of simultaneous location and not occupy table surface in a large number.
Description
Technical Field
The utility model relates to a machine tool machining technical field, in particular to positioning fixture.
Background
In the prior art, a machine tool is usually used to finish a workpiece blank to form a formed workpiece, and the workpiece blank has various shapes, such as a block, a plate body, or even an irregular body.
In the glass industry, the span of the external dimension of a glass product is large, but the processing mode is basically the same. The consumable plate-shaped glass parts are generally produced in batches by adopting a plurality of main shafts and multi-station automatic high-efficiency processing, a workpiece blank is positioned and clamped firstly before being processed by a numerical control machine tool so as to ensure the smooth processing, the single-side positioning is generally carried out by a group of V-shaped blocks in the industry at present, the panel is not in the central position on an adsorption table due to the positioning mode, the condition that one side is more and one side is less is formed, the length of a positioning block is required to be adjusted according to the length of the panel in the V-shaped positioning, and the applicability is not high; meanwhile, a set of positioning devices can only position one workpiece blank, and with the increase of processing stations, the same number of positioning devices are required to be arranged, so that a great deal of cost is consumed, and a great deal of space is occupied; moreover, the positioning device is usually mounted on the working table, and the whole size of the working table needs to be increased along with the increase of the working stations. Therefore, there is a need for a positioning fixture that can be centered and can simultaneously position a plurality of workpieces without occupying a large amount of the working table.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that, overcome the above-mentioned defect that prior art exists, provide a centering and can fix a position a plurality of work pieces simultaneously and do not occupy table surface's positioning fixture in a large number.
The utility model provides a technical scheme that its technical problem adopted is: a positioning clamp comprises a bracket, a left positioning mechanism, a right positioning mechanism, a front positioning mechanism, a rear positioning mechanism and a working table;
the support comprises a base mounting plate, a support plate is mounted on the base mounting plate, and the support plate supports the left and right positioning mechanisms;
the left and right positioning mechanisms comprise left and right mounting bottom plates, left positioning mechanisms and right positioning mechanisms;
the left positioning mechanism comprises a driving cylinder I, a cylinder connecting block I, a cylinder fixing block I, a left positioning base, a sliding linear rail, a linear rail mounting base I, a left torsion spring base, a torsion spring mounting base and a torsion spring positioning block, the first linear rail mounting seat is arranged on the left and right mounting bottom plates, the sliding linear rail is arranged on the first linear rail mounting seat, the left positioning base is arranged on the sliding linear rail, the left torsion spring base is vertically arranged on the left positioning base, the torsion spring mounting seat is arranged at one end of the left torsion spring base, the torsion spring positioning block is arranged on the torsion spring mounting seat, the cylinder connecting block is connected with a first driving cylinder and a left positioning base, the first driving cylinder is fixed on the left and right mounting bottom plates through a first cylinder fixing block, a sliding linear rail is arranged on the first cylinder fixing block, and the left positioning base is driven to move left and right on the sliding linear rail by the first driving cylinder; an adjusting hole is formed at the joint of the left positioning base and the left torsion spring base; a counter bore is arranged on the torsion spring mounting seat;
the right positioning mechanism comprises a driving cylinder II, a cylinder connecting block II, a cylinder fixing block II, a right positioning base, a sliding linear rail, a linear rail mounting base II, a right base and a right positioning block; the wire rail mounting base II is mounted on a left mounting base plate and a right mounting base plate, the sliding wire rail is mounted on the wire rail mounting base II, the right positioning base is mounted on the sliding wire rail, the right base is vertically mounted on the right positioning base, the right positioning block is mounted at one end of the right base, the cylinder connecting block II is connected with the driving cylinder II and the right positioning base, the driving cylinder II is fixed on the left mounting base plate and the right mounting base plate through a cylinder fixing block II, the sliding wire rail is mounted on the cylinder fixing block II, and the right positioning base is driven to move left and right on the sliding wire rail through the driving cylinder II; an adjusting hole is formed at the joint of the right positioning base and the right base; a counter bore is formed in the right positioning block;
the front and rear positioning mechanisms comprise a front positioning mechanism and a rear positioning mechanism;
the front positioning mechanism comprises a front positioning base, a front mounting base and a front positioning block, the front positioning base is mounted on the left mounting base plate and the right mounting base plate, the front mounting base is mounted on the front positioning base, the front positioning block is mounted on the front positioning base, and a counter bore is formed in the front positioning block;
the rear positioning mechanism comprises a bottom plate cushion block, an adsorption table base, an adsorption table, a cylinder mounting seat, a driving cylinder III, a mounting seat and a rear positioning block; the bottom plate cushion block is installed on the workbench surface, the adsorption platform base is installed on the bottom plate cushion block, the adsorption platform is installed on the adsorption platform base, the cylinder installation base is installed on the workbench surface of two adjacent adsorption platforms, the driving cylinder III is installed on the cylinder installation base, the driving cylinder III is connected with the installation base, the rear positioning block is installed at the left end and the right end of the installation base, and a counter bore is formed in the rear positioning block.
Further, the number of the supporting plates is more than two.
Furthermore, the right base of the right positioning mechanism is a right nylon base, and the right positioning block is a right nylon positioning block.
Furthermore, the counter bores of the left positioning mechanism and the right positioning mechanism are kidney-shaped counter bores.
Furthermore, the counter bores of the front positioning mechanism and the rear positioning mechanism are kidney-shaped counter bores.
Furthermore, the front mounting seat of the front positioning mechanism is a front nylon mounting seat, and the front positioning block is a front nylon positioning block.
Further, the mounting seat of the rear positioning mechanism is a U-shaped nylon mounting seat, and the rear positioning block is a rear nylon positioning block.
The utility model discloses a front and back positioning mechanism and control four directions of positioning mechanism counter plate and carry out the centering location for the position of panel on adsorbing the platform is in central point, makes the central point of finding that adds man-hour can be faster puts, reduces processing preparation time, raises the efficiency. In addition, the panel with different lengths can be positioned by central positioning, positioning blocks with different lengths do not need to be replaced, and the applicability is higher; meanwhile, the left and right positioning mechanisms and the front positioning mechanism are arranged on the machine tool by utilizing the bracket, so that the occupation of the working table surface is reduced; a plurality of left torsion spring bases and right bases can be added on the left positioning base and the right positioning base, so that a left positioning station and a right positioning station can be added, and meanwhile, the left positioning base and the right positioning base are driven by the air cylinders, so that panels on the stations can be positioned left and right at the same time, and the asynchronous situation is avoided; adjusting holes are formed in the joints of the left positioning base and the right positioning base and the joints of the left torsion spring base and the right base, and the positioning clamp can be adjusted to position panels with different sizes; the front end adopts fixed knot to construct in the front-back direction, utilizes the cylinder drive of rear end to carry out front and back location to the panel.
In summary, utilize the utility model discloses, can effectively solve the defect that prior art exists, have the centering and can fix a position a plurality of work pieces simultaneously and do not occupy table surface's characteristics in a large number.
Drawings
FIG. 1 is a plan view of the positioning fixture according to the embodiment of the present invention;
FIG. 2 is a perspective view of the embodiment shown in FIG. 1;
FIG. 3 is a perspective view of the left and right positioning mechanisms of the embodiment shown in FIG. 1;
in the figure: 10-bracket, 11-base mounting plate, 12-support plate, 20-left and right positioning mechanism, 21-left and right mounting plate, 22-left positioning mechanism, 221-driving cylinder I, 222-left positioning base, 223-sliding wire rail, 224-wire rail mounting base I, 225-left torsion spring base, 226-torsion spring mounting base, 227-torsion spring positioning block, 228-cylinder connecting block I, 229-cylinder fixing block I, 23-right positioning mechanism, 231-driving cylinder II, 232-right positioning base, 234-wire rail mounting base II, 235-right nylon base, 236-right nylon positioning block, 238-cylinder connecting block II, 239-cylinder fixing block II, 24-adjusting hole, 25-kidney-shaped counter bore, 30-front and back positioning mechanism, 31-front positioning mechanism, 311-front positioning base, 312-front nylon mounting seat, 313-front nylon positioning block, 32-rear positioning mechanism, 321-bottom plate cushion block, 322-adsorption table base, 323-adsorption table, 324-cylinder mounting seat, 325-driving cylinder III, 326-U-shaped nylon mounting seat, 327-rear nylon positioning block and 40-workbench surface.
Detailed Description
The present invention will be further explained with reference to the drawings and examples.
Referring to fig. 1, the present embodiment includes a support 10, a left and right positioning mechanism 20, a front and rear positioning mechanism 30, and a work table 40;
the support 10 comprises a base mounting plate 11, the base mounting plate 11 can be mounted on a machine tool, a plurality of support plates 12 are mounted on the base mounting plate 11, and the support plates 12 support the left and right positioning mechanisms 20;
the left and right positioning mechanism 20 comprises a left and right mounting base plate 21, a left positioning mechanism 22 and a right positioning mechanism 23;
the left positioning mechanism 22 comprises a first driving cylinder 221, a first cylinder connecting block 228, a first cylinder fixing block 229, a left positioning base 222, a sliding wire rail 223, a first wire rail mounting base 224, a left torsion spring base 225, a torsion spring mounting base 226 and a torsion spring positioning block 227, the first wire rail mounting base 224 is mounted on the left and right mounting base plates 21, the sliding wire rail 223 is mounted on the first wire rail mounting base 224, the left positioning base 222 is mounted on the sliding wire rail 223, the left torsion spring base 225 is vertically mounted on the left positioning base 222, the torsion spring mounting base 226 is mounted at one end of the left torsion spring base 225, the torsion spring positioning blocks 227 (in one group) are mounted on the torsion spring mounting base 226, the first cylinder connecting block 228 is connected with the first driving cylinder 221 and the left positioning base 222, the first driving cylinder 221 is fixed on the left and right mounting base plates 21 through the first cylinder fixing block 229, the first cylinder fixing block 229 is mounted with the sliding wire rail 223, the left positioning base 222 is driven to move left and right on the sliding linear rail 223 through the first driving air cylinder 221; meanwhile, a plurality of adjusting holes 24 are formed at the joint of the left positioning base 222 and the left torsion spring base 225, so that the position of the left torsion spring base 225 can be adjusted to adapt to the positioning of panels with different sizes; the waist-shaped counter bore 25 is arranged on the torsion spring mounting seat 226, and the left and right positions of the torsion spring mounting seat 226 on the left torsion spring base 225 can be adjusted;
the right positioning mechanism 23 comprises a second driving cylinder 231, a second cylinder connecting block 238, a second cylinder fixing block 239, a right positioning base 232, a sliding wire rail 223, a second wire rail mounting base 234, a right nylon base 235 and a right nylon positioning block 236; the second linear rail mounting seat 234 is mounted on the left and right mounting base plates 21, the sliding linear rail 223 is mounted on the second linear rail mounting seat 234, the right positioning base 232 is mounted on the sliding linear rail 223, the right nylon base 235 is vertically mounted on the right positioning base 232, the right nylon positioning block 236 is mounted at one end of the right nylon base 235, the second cylinder connecting block 238 is connected with the second driving cylinder 231 and the right positioning base 232, the second driving cylinder 231 is fixed on the left and right mounting base plates 21 through the second cylinder fixing block 239, the second cylinder fixing block 239 is provided with the sliding linear rail 223, and the second driving cylinder 231 drives the right positioning base 232 to move left and right on the sliding linear rail 223; a plurality of adjusting holes 24 are formed at the joint of the right positioning base 232 and the right nylon base 235, so that the position of the right nylon base 235 can be adjusted to adapt to positioning of panels of different sizes; the right nylon positioning block 236 is provided with a waist-shaped counter bore 25, and the left and right positions of the right nylon positioning block 236 on the right nylon base 235 can be adjusted;
the front and rear positioning mechanism 30 comprises a front positioning mechanism 31 and a rear positioning mechanism 32;
the front positioning mechanism 31 comprises a front positioning base 311, a front nylon mounting seat 312 and a front nylon positioning block 313, the front positioning base 311 is mounted on the left and right mounting base plates 21, the front nylon mounting seat 312 is mounted on the front positioning base 311, the front nylon positioning block 313 is mounted on the front positioning base 311, a waist-shaped counter bore 25 is arranged on the front nylon positioning block 313, and the front and rear positions of the front nylon positioning block 313 on the front nylon mounting seat 312 can be adjusted;
the rear positioning mechanism 32 comprises a bottom plate cushion block 321, an adsorption platform base 322, an adsorption platform 323, a cylinder mounting seat 324, a driving cylinder III 325, a U-shaped nylon mounting seat 326 and a rear nylon positioning block 327; bottom plate cushion 321 installs on table surface 40, it installs on bottom plate cushion 321 to adsorb platform base 322, it installs on adsorbing platform base 322 to adsorb platform 323, cylinder mount pad 324 installs on the table surface 40 of two adjacent adsorption platforms 323, it installs on cylinder mount pad 324 to drive three 325 of actuating cylinder, it is connected with U type nylon mount pad 326 to drive three 325 of actuating cylinder, back nylon locating piece 327 installs the left and right sides both ends at U type nylon mount pad 326, be equipped with waist shape counter bore 25 on the back nylon locating piece 327, adjustable back nylon locating piece 327 is in the front and back position on U type nylon mount pad 326.
The working principle is as follows:
before machining, a machined material needs to be positioned to ensure the machining precision requirement, when the feeding and discharging manipulator feeds the material to the adsorption table 323 on the working table surface 40, the driving cylinder III 325 on the rear positioning mechanism 32 drives the U-shaped nylon mounting seat 326 to move forwards, and then the panel is pushed to move forwards through the rear nylon positioning block 327 until the panel touches the front nylon positioning block 313 fixed on the left and right mounting bottom plates 21 on the front positioning mechanism 31, so that the front and rear positioning is completed; then, the driving cylinder II 231 on the right positioning mechanism 23 drives the right positioning base 232 to move leftwards, and the panel is pushed to move leftwards to a certain distance by a right nylon positioning block 236 on the right positioning base 232; a first driving air cylinder 221 on the left positioning mechanism 22 is used for driving the left positioning base 222 to move rightwards, and then the panel is adaptively positioned through a torsional spring positioning block 227 on the left positioning base 222, so that left and right positioning is completed; after the front, rear, left, and right positioning is completed, the panel is sucked by the suction cups 323, thereby completing the complete positioning of the panel.
Claims (9)
1. A positioning fixture is characterized in that: comprises a bracket, a left positioning mechanism, a right positioning mechanism, a front positioning mechanism, a rear positioning mechanism and a working table;
the support comprises a base mounting plate, a support plate is mounted on the base mounting plate, and the support plate supports the left and right positioning mechanisms;
the left and right positioning mechanisms comprise left and right mounting bottom plates, left positioning mechanisms and right positioning mechanisms;
the left positioning mechanism comprises a driving cylinder I, a cylinder connecting block I, a cylinder fixing block I, a left positioning base, a sliding linear rail, a linear rail mounting base I, a left torsion spring base, a torsion spring mounting base and a torsion spring positioning block, the first linear rail mounting seat is arranged on the left and right mounting bottom plates, the sliding linear rail is arranged on the first linear rail mounting seat, the left positioning base is arranged on the sliding linear rail, the left torsion spring base is vertically arranged on the left positioning base, the torsion spring mounting seat is arranged at one end of the left torsion spring base, the torsion spring positioning block is arranged on the torsion spring mounting seat, the cylinder connecting block is connected with a first driving cylinder and a left positioning base, the first driving cylinder is fixed on the left and right mounting bottom plates through a first cylinder fixing block, a sliding linear rail is arranged on the first cylinder fixing block, and the left positioning base is driven to move left and right on the sliding linear rail by the first driving cylinder; an adjusting hole is formed at the joint of the left positioning base and the left torsion spring base; a counter bore is arranged on the torsion spring mounting seat;
the right positioning mechanism comprises a driving cylinder II, a cylinder connecting block II, a cylinder fixing block II, a right positioning base, a sliding linear rail, a linear rail mounting base II, a right base and a right positioning block; the wire rail mounting base II is mounted on a left mounting base plate and a right mounting base plate, the sliding wire rail is mounted on the wire rail mounting base II, the right positioning base is mounted on the sliding wire rail, the right base is vertically mounted on the right positioning base, the right positioning block is mounted at one end of the right base, the cylinder connecting block II is connected with the driving cylinder II and the right positioning base, the driving cylinder II is fixed on the left mounting base plate and the right mounting base plate through a cylinder fixing block II, the sliding wire rail is mounted on the cylinder fixing block II, and the right positioning base is driven to move left and right on the sliding wire rail through the driving cylinder II; an adjusting hole is formed at the joint of the right positioning base and the right base; a counter bore is formed in the right positioning block;
the front and rear positioning mechanisms comprise a front positioning mechanism and a rear positioning mechanism;
the front positioning mechanism comprises a front positioning base, a front mounting base and a front positioning block, the front positioning base is mounted on the left mounting base plate and the right mounting base plate, the front mounting base is mounted on the front positioning base, the front positioning block is mounted on the front positioning base, and a counter bore is formed in the front positioning block;
the rear positioning mechanism comprises a bottom plate cushion block, an adsorption table base, an adsorption table, a cylinder mounting seat, a driving cylinder III, a mounting seat and a rear positioning block; the bottom plate cushion block is installed on the workbench surface, the adsorption platform base is installed on the bottom plate cushion block, the adsorption platform is installed on the adsorption platform base, the cylinder installation base is installed on the workbench surface of two adjacent adsorption platforms, the driving cylinder III is installed on the cylinder installation base, the driving cylinder III is connected with the installation base, the rear positioning block is installed at the left end and the right end of the installation base, and a counter bore is formed in the rear positioning block.
2. The positioning jig of claim 1, wherein: the number of the supporting plates is more than two.
3. The positioning jig according to claim 1 or 2, characterized in that: the right base of the right positioning mechanism is a right nylon base, and the right positioning block is a right nylon positioning block.
4. The positioning jig according to claim 1 or 2, characterized in that: the counter bores of the left positioning mechanism and the right positioning mechanism are kidney-shaped counter bores.
5. The positioning jig of claim 3, wherein: the counter bores of the left positioning mechanism and the right positioning mechanism are kidney-shaped counter bores.
6. The positioning jig according to claim 1 or 2, characterized in that: the counter bores of the front positioning mechanism and the rear positioning mechanism are kidney-shaped counter bores.
7. The positioning jig of claim 5, wherein: the counter bores of the front positioning mechanism and the rear positioning mechanism are kidney-shaped counter bores.
8. The positioning jig according to claim 1 or 2, characterized in that: the front mounting seat of the front positioning mechanism is a front nylon mounting seat, and the front positioning block is a front nylon positioning block.
9. The positioning jig according to claim 1 or 2, characterized in that: the mounting seat of the rear positioning mechanism is a U-shaped nylon mounting seat, and the rear positioning block is a rear nylon positioning block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920684641.1U CN210335219U (en) | 2019-05-14 | 2019-05-14 | Positioning fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920684641.1U CN210335219U (en) | 2019-05-14 | 2019-05-14 | Positioning fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210335219U true CN210335219U (en) | 2020-04-17 |
Family
ID=70181900
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920684641.1U Withdrawn - After Issue CN210335219U (en) | 2019-05-14 | 2019-05-14 | Positioning fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210335219U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109940431A (en) * | 2019-05-14 | 2019-06-28 | 宇晶机器（长沙）有限公司 | A kind of positioning fixture |
-
2019
- 2019-05-14 CN CN201920684641.1U patent/CN210335219U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109940431A (en) * | 2019-05-14 | 2019-06-28 | 宇晶机器（长沙）有限公司 | A kind of positioning fixture |
| CN109940431B (en) * | 2019-05-14 | 2024-03-08 | 宇晶机器（长沙）有限公司 | Positioning fixture |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20200417 Effective date of abandoning: 20240308 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20200417 Effective date of abandoning: 20240308 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |