CN211639138U - Clamp for drilling center hole of square workpiece - Google Patents
Clamp for drilling center hole of square workpiece Download PDFInfo
- Publication number
- CN211639138U CN211639138U CN202020276516.XU CN202020276516U CN211639138U CN 211639138 U CN211639138 U CN 211639138U CN 202020276516 U CN202020276516 U CN 202020276516U CN 211639138 U CN211639138 U CN 211639138U
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- square workpiece
- bottom plate
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- plate
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Abstract
The utility model discloses a clamp for drilling a center hole on a square workpiece, which comprises a bottom plate, a bidirectional screw rod, a gear motor, a movable clamp arm, a movable clamp plate, a ball plate, a clamping cylinder and a rotary pressing cylinder, wherein the bidirectional screw rod is horizontally erected below the bottom plate, and a speed reducing motor for driving the two-way screw, two sets of nuts are symmetrically arranged on the two-way screw, movable clamping arms are arranged on the two sets of nuts, elongated slots for the two sets of movable clamping arms to vertically penetrate through the body of the two sets of nuts are symmetrically arranged on the bottom plate, a movable clamping plate is arranged at the upper end of each movable clamping arm, ball plates are arranged on the adjacent surfaces of the movable clamping plates and the square workpiece, two sets of clamping cylinders are arranged, the clamping cylinders are symmetrically arranged on the bottom plate, the driving ends of the clamping cylinders are provided with abutting clamp plates abutting against the side edges of the square workpiece, four groups of rotating pressing cylinders are arranged, and the four groups of rotating pressing cylinders are respectively distributed at four top corners of the square workpiece. The utility model discloses simple structure, novelty, convenient operation, work piece fixed clamp is tight effectual, and centre bore machining precision is high, and is efficient.
Description
Technical Field
The utility model relates to the technical field of machining, specifically an anchor clamps that is used for square workpiece to bore centre bore.
Background
The drilling of the central hole in the square workpiece is an important link required by processing of many parts, and the position precision of the central hole often influences the appearance and quality of a product. At present, when most of production enterprises drill center holes on square workpieces, manual marking positioning is still adopted, installation deviation is easily caused to the positions of the square workpieces on a workbench, the problem of repeated positioning exists, the efficiency is very low, clamping of the square workpieces is very inconvenient, fixed clamping is unstable, a drilling machine rotating at a high speed is frequently used during drilling and machining, and potential safety hazards exist in manual operation.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an anchor clamps for square workpiece bores centre bore to solve the problem that proposes among the above-mentioned background art.
In order to solve the technical problem, the utility model discloses a technical scheme is:
a clamp for drilling a center hole in a square workpiece comprises a bottom plate, two-way screw rods, a speed reducing motor, two movable clamping arms, two movable clamping plates, a ball plate, clamping cylinders and a rotary pressing cylinder, wherein the two-way screw rods and the speed reducing motor for driving the two-way screw rods are horizontally erected below the bottom plate, two groups of nuts are symmetrically arranged on the two-way screw rods, the two groups of nuts are respectively provided with the movable clamping arms, long grooves for the two groups of movable clamping arms to vertically penetrate through a body of the two-way screw rods are symmetrically arranged on the bottom plate, the two-way screw rods are axially parallel to each other in the groove length direction of each long groove, the upper ends of the movable clamping arms are provided with the movable clamping plates, the ball plate is arranged on the adjacent surfaces of the movable clamping plates and the square workpiece, the two groups of clamping cylinders are symmetrically arranged on the bottom plate, the driving ends, the drive end of the clamping cylinder is provided with a butt clamping plate for butting the side edge of the square workpiece, the four groups of rotary pressing cylinders are arranged on the bottom plate and respectively distributed at four vertex angles of the square workpiece, the drive end of each rotary pressing cylinder is connected with a rotary arm, and one end, away from the rotary pressing cylinder, of each rotary arm is provided with an elastic pressing block for pressing the square workpiece.
Further, the elasticity briquetting includes casing, buffer spring, briquetting, lid, depression bar, the casing inner chamber is equipped with buffer spring and compression buffer spring's briquetting, threaded connection has on the casing inner chamber the lid, the lower extreme of depression bar runs through perpendicularly the lid is connected with the up end of briquetting, the upper end of depression bar is connected the swinging boom.
Furthermore, a guide rod axially parallel to the bidirectional screw rod is horizontally erected below the bottom plate, and the guide rod is connected with the two groups of nuts in a sliding mode.
Furthermore, a first straight gear is arranged at the driving end of the speed reducing motor, and a second straight gear meshed with the first straight gear is arranged on the bidirectional screw rod.
Furthermore, support legs are arranged below the bottom plate.
The utility model has the advantages that:
the utility model provides an anchor clamps for square workpiece bores centre bore, its simple structure, novelty, convenient operation, work piece fixed clamp is tight effectual, and centre bore machining precision is high, and is efficient. When a square workpiece is clamped, the bidirectional screw is driven to rotate through the speed reduction motor, two groups of nuts on the bidirectional screw drive the movable clamping arms to drive the movable clamping plates to move in opposite directions, the movable clamping plates move in opposite directions, the ball plates on the two groups of movable clamping plates are respectively abutted against two parallel side faces of one group of the square workpiece, then the two groups of abutted clamping plates are driven to move in opposite directions through two groups of clamping cylinders, the two groups of abutted clamping plates are respectively abutted against two parallel side faces of the other group of the square workpiece, the quick positioning of the mounting position of the square workpiece on the bottom plate is realized, the central hole position deviation caused by the processing of replacing the square workpiece is greatly reduced, finally, the rotary arms are respectively driven to rotate through four groups of rotary pressing cylinders, the elastic pressing blocks are driven to press the vertex angle of the square workpiece, and after the square workpiece is positioned and clamped.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a front sectional view of the present invention.
Fig. 2 is a top view structural diagram of the present invention.
Fig. 3 is a schematic sectional structure diagram of the elastic pressing block.
In the figure: 1. the device comprises a base plate, 2, a bidirectional screw, 3, a speed reducing motor, 4, a movable clamping arm, 5, a movable clamping plate, 6, a ball plate, 7, a clamping cylinder, 8, a rotary pressing cylinder, 9, a supporting leg, 10, a guide rod, 11, a first straight gear, 12, a second straight gear, 13, a screw nut, 14, a long groove, 15, a square workpiece, 16, a butt clamping plate, 17, a rotating arm, 18, an elastic pressing block, 18-1, a shell, 18-2, a buffer spring, 18-3, a pressing block, 18-4, a cover body, 18-5 and a pressing rod.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1-3, the utility model provides an anchor clamps for square workpiece bores centre bore, including bottom plate 1, two-way lead screw 2, gear motor 3, remove arm lock 4, remove splint 5, ball board 6, die clamping cylinder 7, rotatory air cylinder 8 that pushes down. Supporting legs 9 are arranged below the bottom plate 1, a bidirectional screw rod 2, a guide rod 10 axially parallel to the bidirectional screw rod 2 and a reducing motor 3 are horizontally erected below the bottom plate 1, a first straight gear 11 is arranged at the driving end of the reducing motor 3, a second straight gear 12 meshed with the first straight gear 11 is arranged on the bidirectional screw rod 2, two groups of nuts 13 are symmetrically arranged on the bidirectional screw rod 2, the two groups of nuts 13 are slidably connected with the guide rod 10, moving clamping arms 4 are arranged on the two groups of nuts 13, long grooves 14 for the two groups of moving clamping arms 4 to vertically penetrate through the body of the bottom plate 1 are symmetrically arranged on the bottom plate 1, the two groups of clamping cylinders 7 are axially parallel to the bidirectional screw rod 2 in the groove length direction of the long grooves 14, a moving clamping plate 5 is arranged at the upper end of the moving clamping arm 4, two groups of ball plates 6 are arranged on the adjacent surfaces of the moving clamping plate 5 and the square workpiece 15, the two groups of, the driving end of the clamping cylinder 7 is provided with an abutting clamp plate 16 abutting against the side edge of the square workpiece 15, the four groups of rotary pressing cylinders 8 are arranged on the bottom plate 1, the four groups of rotary pressing cylinders 8 are respectively distributed at four vertex angles of the square workpiece 15, the driving end of the rotary pressing cylinder 8 is connected with a rotating arm 17, one end of the rotating arm 17 far away from the rotary pressing cylinder 8 is provided with an elastic pressing block 18 for pressing down the square workpiece 15, the elastic pressing block 18 comprises a shell 18-1, a buffer spring 18-2, a pressing block 18-3, a cover body 18-4 and a pressing rod 18-5, the inner cavity of the shell 18-1 is provided with the buffer spring 18-2 and the pressing block 18-3 for compressing the buffer spring 18-2, the upper end of the inner cavity of the shell 18-1 is in threaded connection with the cover body 18-4, the lower end of the pressing rod 18-5, the upper end of the pressure lever 18-5 is connected with a rotating arm 17, the rotating arm 17 drives an elastic pressure block 18 to rotate and press down under the driving of the rotating press-down cylinder 8, and the lower end of a shell 18-1 of the elastic pressure block 18 presses down the vertex angle of the square workpiece 15.
The installation process comprises the following steps: when a square workpiece 15 is clamped, a two-way screw 2 is driven to rotate by a speed reducing motor 3, two groups of nuts 13 on the two-way screw 2 drive a movable clamping arm 4 to drive a movable clamping plate 5 to move towards and towards the middle, ball plates 6 on the two groups of movable clamping plates 5 are respectively abutted against two parallel side surfaces of one group of the square workpiece 15, then two groups of abutting clamping plates 16 are driven by two groups of clamping cylinders 7 to move towards and towards the middle, two groups of abutting clamping plates 16 are respectively abutted against two parallel side surfaces of the other group of the square workpiece 15, so that the quick positioning of the mounting position of the square workpiece 15 on a bottom plate 1 is realized, the position deviation of a central hole caused by the processing of replacing the square workpiece 15 is greatly reduced, finally, four groups of rotary pressing cylinders 8 are respectively driven to rotate a rotary arm 17 and drive an elastic pressing block 18 to press the top corner of the square workpiece 15, and after the square workpiece 15 is positioned, the punching operation can be performed.
The above-described embodiments of the present invention should not be construed as limiting the scope of the present invention, and any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.
Claims (5)
1. A clamp for drilling a center hole in a square workpiece is characterized by comprising a bottom plate, two-way screw rods, a speed reducing motor, two moving clamp arms, a moving clamp plate, a ball plate, two clamping cylinders and a rotary pressing cylinder, wherein the two-way screw rods and the speed reducing motor for driving the two-way screw rods are horizontally erected below the bottom plate, the two-way screw rods are symmetrically provided with two groups of nuts, the two groups of nuts are respectively provided with the moving clamp arms, the bottom plate is symmetrically provided with elongated slots for the two groups of moving clamp arms to vertically penetrate through a body of the bottom plate, the two-way screw rods are axially parallel in the length direction of the elongated slots, the upper end of each moving clamp arm is provided with the moving clamp plate, the ball plate is arranged on the adjacent surface of each moving clamp plate and the square workpiece, the two groups of clamping cylinders are symmetrically arranged on the bottom plate, the driving ends of the two groups of clamping cylinders, the drive end of the clamping cylinder is provided with a butt clamping plate for butting the side edge of the square workpiece, the four groups of rotary pressing cylinders are arranged on the bottom plate and respectively distributed at four vertex angles of the square workpiece, the drive end of each rotary pressing cylinder is connected with a rotary arm, and one end, away from the rotary pressing cylinder, of each rotary arm is provided with an elastic pressing block for pressing the square workpiece.
2. The clamp for drilling the central hole on the square workpiece according to claim 1, wherein the elastic pressing block comprises a shell, a buffer spring, a pressing block, a cover body and a pressing rod, the buffer spring and the pressing block for compressing the buffer spring are arranged in an inner cavity of the shell, the cover body is in threaded connection with the upper end of the inner cavity of the shell, the lower end of the pressing rod vertically penetrates through the cover body to be connected with the upper end face of the pressing block, and the upper end of the pressing rod is connected with the rotating arm.
3. The clamp for drilling the central hole of the square workpiece as claimed in claim 1, wherein a guide rod axially parallel to the bidirectional screw rod is horizontally erected below the bottom plate, and the guide rod is connected with the two groups of nuts in a sliding manner.
4. The clamp for drilling the central hole of the square workpiece according to claim 1, wherein the driving end of the speed reducing motor is provided with a first straight gear, and the bidirectional screw is provided with a second straight gear meshed with the first straight gear.
5. The jig for drilling a center hole in a square workpiece as claimed in claim 1, wherein a support leg is provided below the base plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020276516.XU CN211639138U (en) | 2020-03-09 | 2020-03-09 | Clamp for drilling center hole of square workpiece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020276516.XU CN211639138U (en) | 2020-03-09 | 2020-03-09 | Clamp for drilling center hole of square workpiece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211639138U true CN211639138U (en) | 2020-10-09 |
Family
ID=72687402
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020276516.XU Expired - Fee Related CN211639138U (en) | 2020-03-09 | 2020-03-09 | Clamp for drilling center hole of square workpiece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211639138U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113232252A (en) * | 2021-05-27 | 2021-08-10 | 山东优士达智能设备有限公司 | Clamping mechanism of injection molding machine |
| CN115464371A (en) * | 2021-06-11 | 2022-12-13 | 神讯电脑(昆山)有限公司 | Automatic pressing device |
-
2020
- 2020-03-09 CN CN202020276516.XU patent/CN211639138U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113232252A (en) * | 2021-05-27 | 2021-08-10 | 山东优士达智能设备有限公司 | Clamping mechanism of injection molding machine |
| CN113232252B (en) * | 2021-05-27 | 2023-01-17 | 山东优士达智能设备有限公司 | Clamping mechanism of injection molding machine |
| CN115464371A (en) * | 2021-06-11 | 2022-12-13 | 神讯电脑(昆山)有限公司 | Automatic pressing device |
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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: 20201009 Termination date: 20210309 |
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| CF01 | Termination of patent right due to non-payment of annual fee |