CN219233761U - Automatic workpiece fixing device for punching machine - Google Patents
Automatic workpiece fixing device for punching machine Download PDFInfo
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- CN219233761U CN219233761U CN202223521941.9U CN202223521941U CN219233761U CN 219233761 U CN219233761 U CN 219233761U CN 202223521941 U CN202223521941 U CN 202223521941U CN 219233761 U CN219233761 U CN 219233761U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Abstract
The utility model provides an automatic workpiece fixing device for a punch press, which comprises: a work table; two first clamping blocks; the first driving mechanism is arranged on the workbench and is connected with the two first clamping blocks, and is used for driving the two first clamping blocks to synchronously move oppositely or back to fix or relax a workpiece; two second clamping blocks; and the second driving mechanism is arranged on the workbench and is connected with the two second clamping blocks and used for driving the two second clamping blocks to synchronously move towards or away from each other so as to fix or relax the workpiece. The utility model can automatically and effectively fix the position of the workpiece, thereby not only avoiding the fine position change generated when the workpiece is impacted, but also greatly improving the working efficiency.
Description
Technical Field
The utility model relates to the technical field of workpiece processing of punching machines, in particular to an automatic workpiece fixing device for a punching machine.
Background
The stamping is a forming processing method for obtaining a workpiece with a required shape and size by applying external force to plates, strips, pipes, sectional materials and the like by using a press machine and a die to make the plates, the strips, the pipes, the sectional materials and the like plastically deform or separate. In national production, compared with traditional machining, the stamping process has the characteristics of saving materials, saving energy, being high in efficiency and the like, has low technical requirements on operators, can be used for manufacturing various different types of products which cannot be achieved by machining through various dies, and therefore has wider application range. When the punching machine is used, in order to ensure the machining precision, the position of a workpiece is required to be positioned, however, the existing punching machine equipment is mostly manually used for determining the position, a worker is required to continuously finely adjust the position, then the punching machine is fixed, time and labor are wasted, a certain operation experience is required for the worker, and the machining precision and efficiency are influenced.
In order to solve the technical problems, chinese patent publication No. CN210788942U discloses a workpiece positioning device for a punch press, which is provided with a workbench and two sleeves, wherein the two sleeves are symmetrically arranged at two ends of the workbench, each sleeve is internally and spirally connected with a screw rod, and two ends of each screw rod are respectively provided with a handle and a pressing pad.
Although the problem that current punch press equipment needs to fix the position of work piece through the manual work constantly fine setting has been solved to above-mentioned technical scheme, but the device is equipped with two and is used for fixing the clamp pad of work piece position, every clamp pad all need be through manual rotating handle drive remove, actual operation step is loaded down with trivial details, workman's amount of labour has been increaseed, work efficiency has been reduced, and can only carry out the clamp fixing of relative both ends to the work piece, when drift and work piece meet processing, the work piece receives the impact force and can take place subtle slip on the workstation, correspondingly, will influence actual processing's precision.
Disclosure of Invention
Aiming at the defects existing in the prior art, the utility model provides the automatic workpiece fixing device for the punch, which can automatically and effectively fix the position of a workpiece, thereby not only avoiding the fine position change generated when the workpiece is impacted, but also greatly improving the working efficiency.
According to an embodiment of the present utility model, an automatic workpiece fixing device for a punch press includes: a work table; the two first clamping blocks are respectively arranged at two opposite ends of the workbench in a sliding manner by taking the central axis of the workbench as a symmetry axis; the first driving mechanism is arranged on the workbench and is connected with the two first clamping blocks, and is used for driving the two first clamping blocks to synchronously move oppositely or back to fix or relax a workpiece; the two second clamping blocks are connected with the workbench in a sliding manner along the direction perpendicular to the connecting line of the two first clamping blocks; and the second driving mechanism is arranged on the workbench and is connected with the two second clamping blocks and used for driving the two second clamping blocks to synchronously move towards or away from each other so as to fix or relax the workpiece.
The technical principle of the utility model is as follows: through first actuating mechanism and second actuating mechanism, can drive two first grip blocks and two second grip blocks in proper order and slide to the center department of workstation and draw close, the work piece is placed between four grip blocks, and its periphery will be carried out the butt respectively by two first grip blocks and two second grip blocks and is fixed, automatic, the specific position of work piece is fixed to a bit, avoids the work piece to receive the impact force after take place the position change, improves the speed fixed to the work piece.
Preferably, the workbench is vertically provided with a mounting plate; the first driving mechanism comprises a first stepping motor fixedly arranged on the mounting plate, a driving gear driven by the first stepping motor and two sliding racks which are arranged at the upper end and the lower end of the driving gear in a one-to-one correspondence mode, the two sliding racks are meshed with the driving gear, two strip-shaped holes are formed in the mounting plate along the moving direction of the two sliding racks in a one-to-one correspondence mode, first connecting blocks are fixedly arranged on the two sliding racks, the two first connecting blocks are in one-to-one correspondence with the two strip-shaped holes in a sliding mode, and the first connecting blocks penetrate out of the strip-shaped holes and then are fixedly connected with the corresponding first clamping blocks.
Through adopting above-mentioned technical scheme, two sliding racks can drive two first grip blocks and do the removal in opposite directions in step, carry out the centre gripping to the relative both ends of work piece and fix.
Preferably, two sliding rods are fixedly arranged on the mounting plate along the moving direction of the two sliding racks in a one-to-one correspondence manner, each sliding rod is connected with a second connecting block in a sliding manner, and the two second connecting blocks are fixedly connected with the two sliding racks in a one-to-one correspondence manner.
Through adopting above-mentioned technical scheme, the second connecting block can be followed the slide bar and do stable left and right sides linear slip, improves the stability when two first grip blocks remove.
Preferably, elastic pieces are arranged between the two second connecting blocks and the mounting plate.
Through adopting above-mentioned technical scheme, when the second connecting block slides along slide bar side by side, can constantly compress or tensile elastic component, play the effect of buffering.
Preferably, a rectangular limit groove is formed in the workbench along the moving direction of the second clamping block; the second driving mechanism comprises a second stepping motor fixedly arranged on the workbench, a bidirectional threaded rod driven by the second stepping motor to rotate, and two sliding blocks in threaded connection with two ends of the bidirectional threaded rod in one-to-one correspondence, wherein the bidirectional threaded rod is rotationally arranged in the rectangular limiting groove along the length direction of the rectangular limiting groove, the two sliding blocks are in sliding connection with the rectangular limiting groove, and the two sliding blocks penetrate through the rectangular limiting groove and then are in one-to-one correspondence with the two second clamping blocks.
Through adopting above-mentioned technical scheme, two sliders can drive two second grip blocks and do the synchronous movement in opposite directions, carry out relative centre gripping to the work piece other both ends fixedly, and the position of auxiliary fixation work piece is to specific some point.
Compared with the prior art, the utility model has the following beneficial effects:
1. the first driving mechanism and the second driving mechanism are used for driving the two first clamping blocks and the two second clamping blocks to move respectively, so that the positions of the workpieces can be automatically fixed, the step of manual operation of workers is omitted, time and labor are saved, and the working efficiency is greatly improved; the two first clamping blocks and the two second clamping blocks can be matched with each other to clamp and fix the periphery of the workpiece, the position of the workpiece is determined to a specific certain point, the workpiece is prevented from sliding relatively when being impacted, and the stamping precision is improved.
Drawings
FIG. 1 is a schematic elevational view of the present utility model;
FIG. 2 is a schematic rear view of the present utility model;
FIG. 3 is a schematic view of a part of the structure of the present utility model;
FIG. 4 is a second partial schematic view of the present utility model.
In the above figures: the device comprises a workbench 1, a first clamping block 2, a second clamping block 3, a mounting plate 4, a driving gear 5, a sliding rack 6, a bar-shaped hole 7, a first connecting block 8, a sliding bar 9, a second connecting block 10, an elastic piece 11, a rectangular limiting groove 12, a second stepping motor 13, a bidirectional threaded rod 14 and a sliding block 15.
Detailed Description
The technical scheme of the utility model is further described below with reference to the accompanying drawings and examples.
As shown in fig. 1, an embodiment of the present utility model provides an automatic fixture for a workpiece for a punching machine, including a workbench 1; the two first clamping blocks 2 are arranged on two opposite ends of the workbench 1 in a sliding manner by taking the central axis of the workbench 1 as a symmetry axis of the workbench 1; the first driving mechanism is arranged on the workbench 1 and connected with the two first clamping blocks 2 and is used for driving the two first clamping blocks 2 to synchronously move towards or away from each other so as to fix or relax a workpiece; the two second clamping blocks 3 are arranged, and the two second clamping blocks 3 are connected with the workbench 1 in a sliding manner along the direction perpendicular to the connecting line of the two first clamping blocks 2; and the second driving mechanism is arranged on the workbench 1 and is connected with the two second clamping blocks 3 and is used for driving the two second clamping blocks 3 to synchronously move towards or away from each other so as to fix or relax a workpiece.
The detailed working procedure of this embodiment is: the center point of the vertical connecting line of the two first clamping blocks 2 is set to be the center of the workbench 1, the center point of the vertical connecting line of the two second clamping blocks 3 is also set to be the center of the workbench 1, when the workpiece is placed between the two first clamping blocks 2 and the two second clamping blocks 3, then the first driving mechanism is started, the first driving mechanism can synchronously drive the two first clamping blocks 2 to move in opposite directions, two opposite sides of the workpiece are clamped and fixed, the second driving mechanism is started, the second driving mechanism synchronously drives the two second clamping blocks 3 to move in opposite directions, the other two opposite sides of the workpiece are clamped and fixed, and the periphery of the workpiece can be clamped stably in a matched mode, so that the position of the workpiece is limited to the center of the workbench 1, the workpiece is automatically fixed, fine sliding is avoided when the workpiece is subjected to impact force, and the machining precision is improved. In addition, in this embodiment, a hydraulic cylinder may be fixedly installed on the workbench 1 above the perpendicular bisector of the connection line of the two first clamping blocks 2, and the movable end of the hydraulic cylinder also moves along the perpendicular bisector direction of the connection line of the two first clamping blocks 2, and the movable end of the hydraulic cylinder is provided with a punch, and the punch moves up and down to perform punching operation.
As shown in fig. 1 and 2, according to another embodiment of the present utility model, an automatic workpiece fixing device for a punching machine, in which a mounting plate 4 is vertically provided on a table 1; the first driving mechanism comprises a first stepping motor fixedly arranged on the mounting plate 4, a driving gear 5 driven by the first stepping motor and two sliding racks 6 which are arranged at the upper end and the lower end of the driving gear 5 in one-to-one correspondence, wherein the two sliding racks 6 are meshed with the driving gear 5, two strip-shaped holes 7 are formed in the mounting plate 4 along the moving direction of the two sliding racks 6 in one-to-one correspondence, first connecting blocks 8 are fixedly arranged on the two sliding racks 6, the two first connecting blocks 8 are in one-to-one correspondence and are in sliding connection with the two strip-shaped holes 7, and the first connecting blocks 8 penetrate through the strip-shaped holes 7 and are fixedly connected with the corresponding first clamping blocks 2.
The detailed working procedure of this embodiment is: a first stepping motor (not shown in the figure) is fixedly arranged on the back of the mounting plate 4, an output shaft of the first stepping motor is coaxially connected with the driving gear 5, the first stepping motor is started to drive the driving gear 5 to rotate, the driving gear 5 rotates and simultaneously is meshed with the upper sliding rack 6 and the lower sliding rack 6, the two sliding racks 6 are driven to slide in opposite directions at the same time, and then the first connecting block 8 is used for driving the two first clamping blocks 2 to slide in opposite directions at the same time, so that a workpiece placed between the two first clamping blocks 2 is clamped, fixed or loosened. Further, the two first connecting blocks 8 are in sliding connection with the corresponding strip-shaped holes 7, so that stability of the sliding rack 6 and the first clamping blocks 2 during movement can be enhanced, and stable clamping of a workpiece is achieved.
As shown in fig. 1 and 2, according to another embodiment of the present utility model, two slide bars 9 are fixedly arranged on a mounting plate 4 along the moving direction of two slide racks 6, each slide bar 9 is slidably connected with a second connection block 10, and the two second connection blocks 10 are fixedly connected with the two slide racks 6 in a one-to-one correspondence.
The detailed working procedure of this embodiment is: when the first connecting block 8 is driven to slide along the strip-shaped hole 7, the second connecting block 10 fixedly connected to the sliding rack 6 is also in sliding connection with the sliding rod 9, and the second connecting block 10 slides left and right along the sliding rod 9, so that the stability of the installation of the sliding rack 6 and the stability of the whole sliding clamping process can be improved.
As shown in fig. 1 and 2, according to another embodiment of the present utility model, an automatic workpiece fixing device for a punching machine is provided, wherein elastic members 11 are disposed between two second connection blocks 10 and a mounting plate 4.
The detailed working procedure of this embodiment is: when the second connecting block 10 slides left and right, the corresponding elastic piece 11 can be driven to compress or stretch, so as to play a role in buffering movement, and further improve the stability of the whole clamping process.
As shown in fig. 1, 2, 3 and 4, according to another embodiment of the present utility model, a workpiece automatic fixing device for a punching machine is provided, wherein a rectangular limit groove 12 is formed on a workbench 1 along a moving direction of a second clamping block 3; the second driving mechanism comprises a second stepping motor 13 fixedly arranged on the workbench 1, a bidirectional threaded rod 14 driven to rotate by the second stepping motor 13, and two sliding blocks 15 in threaded connection with two ends of the bidirectional threaded rod 14 in one-to-one correspondence, wherein the bidirectional threaded rod 14 is rotatably arranged in the rectangular limiting groove 12 along the length direction of the rectangular limiting groove 12, the two sliding blocks 15 are all in sliding connection with the rectangular limiting groove 12, and the two sliding blocks 15 are fixedly connected with the two second clamping blocks 3 in one-to-one correspondence after penetrating out of the rectangular limiting groove 12.
The detailed working procedure of this embodiment is: in order to further accurately place the workpiece, a processing table can be arranged at the center of the workbench 1, two first clamping blocks 2 and two second clamping blocks 3 are respectively arranged around the processing table, a rectangular limiting groove 12 is formed in the processing table, when a second stepping motor 13 is started, a bidirectional threaded rod 14 can be driven to rotate, so that sliding blocks 15 at two ends of the second stepping motor can simultaneously move in opposite directions to drive the two second clamping blocks 3 to close to clamp the workpiece, or sliding blocks 15 at two ends of the second stepping motor can simultaneously move in opposite directions to drive the two second clamping blocks 3 to separate and loosen the workpiece. When the two sliding blocks 15 slide, the sliding fit state with the rectangular limiting groove 12 is maintained, and the sliding fit state is limited by the rectangular limiting groove 12 to rotate, so that the sliding blocks can only linearly move, and further the two second clamping blocks 3 are driven to stably linearly move.
The implementation principle of the embodiment of the application is as follows: the workpiece is placed at the center of the workbench 1, the first stepping motor is started, the first stepping motor drives the driving gear 5 to rotate and can further drive the two sliding racks 6 to slide in opposite directions simultaneously, so that the two first clamping blocks 2 slide in opposite directions simultaneously, the two opposite ends of the workpiece are clamped and fixed, then the second stepping motor 13 is started, the second stepping motor 13 drives the two sliding blocks 15 to slide in opposite directions simultaneously by driving the bidirectional threaded rod 14 to rotate, so that the two second clamping blocks 3 slide in opposite directions, the other two ends of the workpiece are clamped and fixed, the position of the workpiece is fixed to one point at the center of the workbench 1, automatic and efficient fixing of the workpiece is realized, fine sliding is also effectively avoided when the workpiece is subjected to impact force, and stable and accurate stamping operation is convenient.
Finally, it is noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the technical solution of the present utility model, which is intended to be covered by the scope of the claims of the present utility model.
Claims (5)
1. An automatic fixing device for a workpiece for a punching machine, comprising:
a work table (1);
the two first clamping blocks (2) are respectively arranged at two opposite ends of the workbench (1) in a sliding manner by taking the central axis of the workbench (1) as a symmetry axis;
the first driving mechanism is arranged on the workbench (1) and connected with the two first clamping blocks (2) and is used for driving the two first clamping blocks (2) to synchronously move towards or away from each other so as to fix or relax a workpiece;
the two second clamping blocks (3) are arranged, and the two second clamping blocks (3) are connected with the workbench (1) in a sliding manner along the direction perpendicular to the connecting line of the two first clamping blocks (2);
the second driving mechanism is arranged on the workbench (1) and is connected with the two second clamping blocks (3) and used for driving the two second clamping blocks (3) to synchronously move towards or away from each other so as to fix or relax a workpiece.
2. The automatic fixture for workpieces for a press according to claim 1, wherein: a mounting plate (4) is vertically arranged on the workbench (1); the first driving mechanism comprises a first stepping motor fixedly arranged on the mounting plate (4), a driving gear (5) driven by the first stepping motor and two sliding racks (6) arranged at the upper end and the lower end of the driving gear (5) in a one-to-one correspondence mode, the two sliding racks (6) are meshed with the driving gear (5), two strip-shaped holes (7) are formed in the mounting plate (4) along the moving direction of the two sliding racks (6) in a one-to-one correspondence mode, first connecting blocks (8) are fixedly arranged on the two sliding racks (6), the two first connecting blocks (8) are in one-to-one correspondence with the two strip-shaped holes (7) in a sliding mode, and the first connecting blocks (8) penetrate out of the strip-shaped holes (7) and then are fixedly connected with the corresponding first clamping blocks (2).
3. The automatic fixture for workpieces for a press according to claim 2, wherein: two sliding rods (9) are fixedly arranged on the mounting plate (4) along the moving direction of the two sliding racks (6) in a one-to-one correspondence manner, second connecting blocks (10) are connected to each sliding rod (9) in a sliding manner, and the two second connecting blocks (10) are fixedly connected with the two sliding racks (6) in a one-to-one correspondence manner.
4. A workpiece automatic fixing device for a punching machine according to claim 3, characterized in that: elastic pieces (11) are arranged between the two second connecting blocks (10) and the mounting plate (4).
5. The automatic fixture for workpieces for a press according to claim 1, wherein: a rectangular limit groove (12) is formed in the workbench (1) along the moving direction of the second clamping block (3); the second driving mechanism comprises a second stepping motor (13) fixedly arranged on the workbench (1), a bidirectional threaded rod (14) driven by the second stepping motor (13) to rotate, and two sliding blocks (15) in threaded connection with two ends of the bidirectional threaded rod (14) in one-to-one correspondence, wherein the bidirectional threaded rod (14) is rotationally arranged in the rectangular limiting groove (12) along the length direction of the rectangular limiting groove (12), the two sliding blocks (15) are both in sliding connection with the rectangular limiting groove (12), and the two sliding blocks (15) are fixedly connected with the two second clamping blocks (3) in one-to-one correspondence after penetrating out of the rectangular limiting groove (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223521941.9U CN219233761U (en) | 2022-12-26 | 2022-12-26 | Automatic workpiece fixing device for punching machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223521941.9U CN219233761U (en) | 2022-12-26 | 2022-12-26 | Automatic workpiece fixing device for punching machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219233761U true CN219233761U (en) | 2023-06-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223521941.9U Active CN219233761U (en) | 2022-12-26 | 2022-12-26 | Automatic workpiece fixing device for punching machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219233761U (en) |
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2022
- 2022-12-26 CN CN202223521941.9U patent/CN219233761U/en active Active
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