CN215432615U - High-precision tool clamp for machining - Google Patents
High-precision tool clamp for machining Download PDFInfo
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- CN215432615U CN215432615U CN202121663889.3U CN202121663889U CN215432615U CN 215432615 U CN215432615 U CN 215432615U CN 202121663889 U CN202121663889 U CN 202121663889U CN 215432615 U CN215432615 U CN 215432615U
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- fastening bolt
- workbench
- sleeve
- cavity
- guide
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Abstract
The utility model discloses a tool clamp for high-precision machining, belongs to the field of tool clamps, and solves the problems that a cutter is easy to hit by an existing clamp and clamping efficiency is low. This anchor clamps include two briquetting and fastening bolt, every fastening bolt's one end all activity in proper order runs through a briquetting, workstation, two be equipped with two cushion between the briquetting, the workstation in seted up the cavity, workstation bottom be equipped with driving motor, driving motor's output activity runs through the workstation and extends into in the cavity, equal threaded connection has the nut on every fastening bolt in the cavity, the periphery of nut all is fixed with from the driving wheel, fastening bolt outlying is fixed with the sleeve from the driving wheel below, every all be fixed with the position sleeve in the fastening bolt outlying cavity. The clamp can effectively prevent the cutter from contacting with the workbench, protect the cutter and effectively improve the clamping efficiency.
Description
Technical Field
The utility model relates to a tool clamp, in particular to a tool clamp for high-precision machining.
Background
In the process of machining high-precision machinery, a workpiece is usually required to be clamped and fixed on a workbench, so that a cutter can be conveniently machined. Traditional work piece clamping is generally placed the work piece on the workstation, then uses briquetting and work piece contact, screws a plurality of fastening bolt on the workstation, drives the briquetting downstream to compress tightly the briquetting, and then make the briquetting compress tightly the work piece, realize fixed to the clamping of work piece. However, the existing tool clamp has the hidden danger of cutter breakage because the workpiece directly contacts with the worktable surface and the cutter easily contacts with the worktable after penetrating through the hole when the hole position of the workpiece is processed, and a plurality of fastening bolts need to be screwed respectively, so the operation is complex, the clamping efficiency is low, and the use is inconvenient. Therefore, it is necessary to develop and design a novel tooling fixture for high-precision machining.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem of the prior art, and provides a high-precision tool clamp for machining, which can effectively prevent a cutter from contacting with a workbench, protect the cutter and effectively improve the clamping efficiency.
The technical scheme of the utility model is as follows: a tooling clamp for high-precision machining comprises two pressing blocks and fastening bolts, wherein one end of each fastening bolt sequentially and movably penetrates through one pressing block and a workbench, two cushion blocks are arranged between the two pressing blocks, a connecting line between the two cushion blocks is perpendicular to a connecting line between the two fastening bolts, a cavity is formed in the workbench, a driving motor is arranged at the bottom of the workbench, the output end of the driving motor movably penetrates through the workbench and extends into the cavity, a nut is connected to each fastening bolt in the cavity in a threaded manner, a driven wheel is fixed on the periphery of the nut, a sleeve is fixed below the driven wheel on the periphery of the fastening bolt, a positioning sleeve is fixed in the cavity on the periphery of each fastening bolt, the fastening bolts movably penetrate through the positioning sleeves, and the positioning sleeves are inserted in the sleeves, and the locating sleeve and the sleeve are connected through a plurality of bearings, the output end of the driving motor is connected with a driving wheel, the driving wheel is connected with a driven wheel through a belt, and a guide assembly used for guiding the fastening bolt is arranged at the bottom of the workbench.
As a further improvement, the guide assembly comprises a guide sleeve, the guide sleeve is fixed on a workbench on the periphery of the fastening bolt, guide grooves are formed in two sides of the inner wall of the guide sleeve, guide blocks are arranged on two sides of the fastening bolt, and the guide blocks are inserted into the guide grooves in a sliding mode.
Furthermore, the fastening bolt between the pressing block and the workbench is sleeved with a tension spring, and two ends of the tension spring are respectively connected with the pressing block and the workbench.
Furthermore, the workbench is provided with a slide rail, and the two cushion blocks are arranged on the slide rail in a sliding manner.
Further, a screw rod is further arranged between the two cushion blocks, the thread turning directions of the two ends of the screw rod are opposite, and the two ends of the screw rod are respectively in threaded connection with the two cushion blocks.
Furthermore, rubber pads are arranged at the bottom of the pressing block and the top of the cushion block.
Advantageous effects
Compared with the prior art, the utility model has the following advantages:
1. according to the tool clamp, the two cushion blocks are arranged on the workbench to support the workpiece, so that the workpiece is lifted, a certain distance is reserved between the bottom surface of the workpiece and the top surface of the workbench, when a cutter penetrates through the workpiece during hole machining, the cutter can be effectively prevented from contacting with the workbench, and the cutter is protected.
2. According to the tool clamp, the cavity, the driving wheel, the driven wheel and other components are arranged in the workbench, when a workpiece is clamped, the workpiece is placed on the two cushion blocks and rotates, the hole position to be machined of the workpiece is avoided from the cushion blocks, then the driving motor is started to work, the driving wheel is driven to rotate by the rotation of the driving motor, the driven wheel is driven to rotate, the nut in the driven wheel is in threaded connection with the fastening bolt, the two fastening bolts move downwards simultaneously, the fastening bolt extrudes the pressing block to move downwards, the pressing block presses the workpiece tightly, the workpiece is pressed and fixed tightly, the two pressing blocks are driven by the motor to move downwards simultaneously, and the clamping efficiency is effectively improved.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is an enlarged view of the structure of FIG. 1;
FIG. 3 is an enlarged view of the guide sleeve of the present invention;
fig. 4 is a schematic top view of the present invention.
Wherein: 1-pressing block, 2-fastening bolt, 3-workbench, 4-cushion block, 5-cavity, 6-driving motor, 7-driven wheel, 8-sleeve, 9-positioning sleeve, 10-driving wheel, 11-belt, 12-guide sleeve, 13-guide groove, 14-guide block, 15-tension spring, 17-slide rail and 18-screw rod.
Detailed Description
The utility model will be further described with reference to specific embodiments shown in the drawings.
Referring to fig. 1-4, the tooling clamp for high-precision machining of the utility model comprises two pressing blocks 1 and fastening bolts 2, wherein one end of each fastening bolt 2 sequentially and movably penetrates through one pressing block 1 and a workbench 3, the fastening bolt 2 extends to the lower part of the workbench 3, two cushion blocks 4 are arranged between the two pressing blocks 1, a connecting line between the two cushion blocks 4 is vertical to a connecting line between the two fastening bolts 2, so that the two cushion blocks 4 and the two pressing blocks 4 form a four-point clamping mode, a cavity 5 is arranged in the workbench 3, a driving motor 6 is arranged at the bottom of the workbench 3, an output end of the driving motor 6 movably penetrates through the workbench 3 and extends into the cavity 5, a nut is connected with each fastening bolt 2 in the cavity 5 in a threaded manner, a driven wheel 7 is fixed on the periphery of the nut, a sleeve 8 is fixed below the driven wheel 7 on the periphery of the fastening bolt 2, all be fixed with position sleeve 9 in every 2 outlying cavities 5 of fastening bolt, wherein, fastening bolt 2 activity alternates in position sleeve 9, position sleeve 9 is pegged graft in sleeve 8, and be connected through a plurality of bearings between position sleeve 9 and the sleeve 8, guarantee can not follow fastening bolt 2's axial displacement from driving wheel 7 pivoted, output at driving motor 6 is connected with action wheel 10, action wheel 10 passes through belt 11 and is connected from driving wheel 7, 3 bottoms of workstation are equipped with the direction subassembly that is used for the direction to fastening bolt 2.
According to the tool clamp, the two cushion blocks 4 are arranged on the workbench 3 to support the workpiece, so that the workpiece is lifted, a certain distance is reserved between the bottom surface of the workpiece and the top surface of the workbench 3, when a cutter penetrates through the workpiece during hole machining, the cutter can be effectively prevented from contacting with the workbench, and the cutter is protected.
Simultaneously, this frock clamp, through set up cavity 5 in workstation 3, action wheel 10 and follow parts such as driving wheel 7, when the clamping work piece, place the work piece on two cushions 4 and rotate the work piece, make the waiting to process the hole site of work piece and cushion 4 avoid can, then start driving motor 6 work, driving motor 6 is rotatory to drive action wheel 10 and rotates, and then drive and rotate from driving wheel 7, nut and the 2 threaded connection of fastening bolt in the driving wheel 7, make two fastening bolt 2 downstream simultaneously, fastening bolt 2 extrudees briquetting 1 downstream again, make briquetting 1 compress tightly the work piece, the realization is fixed to compressing tightly of work piece, it compresses tightly the work piece to drive two briquetting downstream simultaneously through a motor, effectively improve clamping efficiency.
Preferably, the guide assembly comprises a guide sleeve 12, wherein the guide sleeve 12 is fixed on the workbench 3 at the periphery of the fastening bolt 2, guide grooves 13 are formed on two sides of the inner wall of the guide sleeve 12, guide blocks 14 are formed on two sides of the fastening bolt 2, and the guide blocks 14 are inserted into the guide grooves 13 in a sliding manner. Through the cooperation of guide block 14 and guide way 13, can prevent that fastening bolt 2 from following from the driving wheel 7 rotation, guarantee that fastening bolt 2 can move down.
Preferably, a tension spring 15 is sleeved on the fastening bolt 2 between the pressing block 1 and the workbench 3, and two ends of the tension spring 15 are respectively connected with the pressing block 1 and the workbench 3. After placing the work piece, loosen briquetting 1, briquetting 1 supports the work piece under the elastic force of extension spring 15, realizes the work piece with press from both sides tightly, also can prevent simultaneously that briquetting 1 from following fastening bolt 2 to rotate.
Preferably, be equipped with slide rail 17 on workstation 3, two cushion 4 equal slidable mounting are on slide rail 17, and before placing the work piece, the accessible stirs two cushion 4 and removes, adjusts the relative position of two cushion 4 for cushion 4 can support at the different positions of work piece, and it is more convenient to use.
Preferably, a screw 18 is further arranged between the two cushion blocks 4, the thread directions of the two ends of the screw 18 are opposite, and the two ends of the screw 18 are respectively in threaded connection with the two cushion blocks 4. The two cushion blocks 4 are driven to move by rotating the screw rod 18, so that the adjustment is more convenient.
Preferably, rubber pads are arranged at the bottom of the pressing block 1 and the top of the cushion block 4, so that the pressing block 1 and the cushion block 4 are prevented from damaging workpieces.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that those skilled in the art can make various changes and modifications without departing from the structure of the utility model, which will not affect the effect of the utility model and the practicability of the patent.
Claims (6)
1. A tooling clamp for high-precision machining comprises two pressing blocks (1) and fastening bolts (2), and is characterized in that one end of each fastening bolt (2) sequentially and movably penetrates through one pressing block (1) and a workbench (3), two cushion blocks (4) are arranged between the two pressing blocks (1), a connecting line between the two cushion blocks (4) is perpendicular to a connecting line between the two fastening bolts (2), a cavity (5) is formed in the workbench (3), a driving motor (6) is arranged at the bottom of the workbench (3), an output end of the driving motor (6) movably penetrates through the workbench (3) and extends into the cavity (5), a nut is connected to each fastening bolt (2) in the cavity (5) in a threaded manner, a driven wheel (7) is fixed on the periphery of the nut, and a sleeve (8) is fixed below the driven wheel (7) on the periphery of the fastening bolt (2), every all be fixed with position sleeve (9) in fastening bolt (2) outlying cavity (5), fastening bolt (2) activity alternate in position sleeve (9), position sleeve (9) peg graft in sleeve (8), just position sleeve (9) and sleeve (8) between be connected through a plurality of bearings, the output of driving motor (6) is connected with action wheel (10), action wheel (10) be connected with from driving wheel (7) through belt (11), workstation (3) bottom be equipped with the direction subassembly that is used for the direction to fastening bolt (2).
2. The tooling clamp for high-precision machining according to claim 1, wherein the guide assembly comprises a guide sleeve (12), the guide sleeve (12) is fixed on a workbench (3) at the periphery of the fastening bolt (2), guide grooves (13) are formed in two sides of the inner wall of the guide sleeve (12), guide blocks (14) are arranged on two sides of the fastening bolt (2), and the guide blocks (14) are inserted into the guide grooves (13) in a sliding manner.
3. The tooling clamp for high-precision machining according to claim 1, wherein a tension spring (15) is sleeved on the fastening bolt (2) between the pressing block (1) and the workbench (3), and two ends of the tension spring (15) are respectively connected with the pressing block (1) and the workbench (3).
4. A tooling clamp for high-precision machining according to claim 1, characterized in that the workbench (3) is provided with a slide rail (17), and the two cushion blocks (4) are both slidably mounted on the slide rail (17).
5. A tooling clamp for high-precision machining according to claim 1, characterized in that a screw (18) is further arranged between the two cushion blocks (4), the thread directions of the two ends of the screw (18) are opposite, and the two ends of the screw (18) are respectively in threaded connection with the two cushion blocks (4).
6. The tooling clamp for high-precision machining according to claim 1, wherein rubber pads are arranged at the bottom of the pressing block (1) and at the top of the cushion block (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121663889.3U CN215432615U (en) | 2021-07-21 | 2021-07-21 | High-precision tool clamp for machining |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121663889.3U CN215432615U (en) | 2021-07-21 | 2021-07-21 | High-precision tool clamp for machining |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215432615U true CN215432615U (en) | 2022-01-07 |
Family
ID=79683384
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121663889.3U Active CN215432615U (en) | 2021-07-21 | 2021-07-21 | High-precision tool clamp for machining |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215432615U (en) |
-
2021
- 2021-07-21 CN CN202121663889.3U patent/CN215432615U/en active Active
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