CN218532956U - Clamping force control device for numerical milling - Google Patents
Clamping force control device for numerical milling Download PDFInfo
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- CN218532956U CN218532956U CN202221931086.6U CN202221931086U CN218532956U CN 218532956 U CN218532956 U CN 218532956U CN 202221931086 U CN202221931086 U CN 202221931086U CN 218532956 U CN218532956 U CN 218532956U
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Abstract
The utility model discloses a numerical milling processing clamping power control device, including the flat-nose pliers main part, one side of flat-nose pliers main part is equipped with regular jaw, and the opposite side of flat-nose pliers main part is equipped with movable vice jaw, is equipped with drive screw between movable vice jaw and the flat-nose pliers main part, is equipped with force measuring component on the movable vice jaw, and force measuring component includes dynamometry base, pressure sensor and biography power board, and the dynamometry base is established on movable vice jaw, and pressure sensor establishes on the dynamometry base and between the biography power board, and the biography power board is relative with regular jaw. The utility model has the advantages that: when thin-wall and high-precision workpieces are machined, the clamping force can be accurately controlled, the machining quality of the workpieces is improved, the product yield is improved, the input cost of trial machining and measurement adjustment is reduced, the differentiation factors of milling flat tongs of different machine tools or different station numbers are avoided, and the requirements on the skill and experience of operators are also reduced.
Description
Technical Field
The utility model relates to a machining technology field specifically is a numerical milling processing clamping power controlling means.
Background
The traditional flat tongs for the numerical milling machine limit the workpiece through a fixed jaw, and a transmission screw drives a movable jaw to clamp and clamp the workpiece, as shown in fig. 1. The workpiece can generate compressive stress and deformation under the action of clamping force, and for precision parts, especially some thin-wall workpieces, if the clamping force is large, the workpiece can generate large stress and deformation under the action of the clamping force, so that the processing precision of the product is influenced, and finally the quality of the product is influenced; if clamping power is less, there is not enough clamping force, and the work piece has the risk of aversion in the course of working, influences final product quality equally.
In the prior art, the clamping force is indirectly controlled through the experience of an operator or the torque of a torque wrench. The torque is carried out through a transmission lead screw, the torque is influenced by factors such as friction resistance of the lead screw and a movable jaw moving guide rail, machine flat tongs at different stations have great difference, so the accuracy of controlling the clamping force through experience or torque wrench control is not high, and the quality of a final product is not stable.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: the clamping force control device for the numerical milling machining solves the problem that an existing flat tongs is unstable and reliable in clamping.
The purpose of the utility model is realized through the following technical scheme:
the clamping force control device for the numerical milling machining comprises a flat tongs main body, wherein a fixed jaw is arranged on one side of the flat tongs main body, a movable jaw is arranged on the other side of the flat tongs main body, a transmission screw is arranged between the movable jaw and the flat tongs main body, a force measuring assembly is arranged on the movable jaw and comprises a force measuring base, a pressure sensor and a force transmission plate, the force measuring base is arranged on the movable jaw, the pressure sensor is arranged on the force measuring base and between the force transmission plate, and the force transmission plate is opposite to the fixed jaw.
Furthermore, a sliding groove is arranged on the flat-nose pliers main body, and the lower convex part of the movable jaw is arranged in the sliding groove in a sliding manner.
Furthermore, the movable jaw is of an L-shaped section, and the force measuring assembly is positioned in an L-shaped notch of the movable jaw.
Furthermore, the force measuring base is placed on the movable jaw, the pressure sensor is fixed on the force measuring base through a screw, and the force transfer plate is fixed on the pressure sensor through a stud.
Furthermore, two groups of pressure sensors and force transmission plates are arranged in parallel.
Further, the pressure sensor is a cantilever type pressure sensor or a disc type pressure sensor.
Furthermore, pressure sensor be connected with the cable, the cable includes power cord, earth connection, shielded wire and data signal line, pressure sensor passes through cable and external power source, pressure control digital display instrument electrical connection.
The utility model has the advantages that: when thin-wall workpieces and high-precision workpieces are machined, the clamping force can be accurately controlled, so that the machining quality of the workpieces is better improved, the product percent of pass is improved, the investment cost of trial machining and measurement adjustment is reduced, the differentiation factors of milling flat tongs of different machine tools or different station numbers are avoided, the requirements on the skill and experience of operators are also reduced, and the quality assurance capability of the automatic manufacturing process of a digital production line is also better improved.
The main scheme and the further selection schemes of the utility model can be freely combined to form a plurality of schemes, which are the schemes that can be adopted and claimed by the utility model; in addition, the utility model can be freely combined between the (non-conflict selection) selections and other selections. After understanding the present disclosure, those skilled in the art can understand that there are many combinations according to the prior art and the common general knowledge, which are the technical solutions to be protected by the present disclosure, and the present disclosure is not exhaustive.
Drawings
Fig. 1 is a schematic structural view of a conventional flat-nose pliers.
Fig. 2 is a schematic structural diagram of the present invention.
Figure 3 is the structure schematic diagram of the force measuring component of the present invention.
In the figure: 1-flat-nose pliers body, 2-fixed jaw, 3-movable jaw, 4-driving screw, 5-force measuring component, 6-force measuring base, 7-pressure sensor and 8-force transferring plate.
Detailed Description
The invention will be further described with reference to the following specific embodiments and the accompanying drawings.
Referring to fig. 2 and 3, the clamping force control device for numerical milling comprises a flat tongs body 1, a fixed jaw 2, a movable jaw 3, a transmission screw 4 and a force measuring assembly 5, wherein the force measuring assembly 5 comprises a force measuring base 6, a pressure sensor 7 and a force transmission plate 8.
The left side of the flat-nose pliers body 1 is provided with a fixed jaw 2, and the inner end face of the fixed jaw 2 is a flat end face, so that the left side of a workpiece is clamped in a contact manner. The right side of flat-nose pliers main part 1 is equipped with movable vice jaw 3, is equipped with drive screw 4 between movable vice jaw 3 and the flat-nose pliers main part 1, slides about 3 through drive screw 4 control movable vice jaw.
The flat-nose pliers body 1 is provided with a sliding groove, the lower convex part of the movable jaw 3 is arranged in the sliding groove in a sliding manner, and the sliding groove is used for ensuring the sliding accuracy of the movable jaw 3. The movable jaw 3 is provided with a force measuring component 5, the force measuring component 5 is in contact clamping with the right side of the workpiece, and the condition of the clamping force is judged.
The movable jaw 3 is an L-shaped section, the force measuring component 5 is positioned in an L-shaped groove of the movable jaw 3, the force measuring component 5 is supported by the L-shaped groove, the force measuring component 5 is prevented from contacting with a flat tongs main body, and meanwhile, the force measuring component 5 is supported by the L-shaped groove, so that the force measuring component 5 is clamped.
The force measuring base 6 is directly placed on the movable jaw 3, and flexible assembly and disassembly of the force measuring base 6 are achieved. The pressure sensor 7 is arranged between the force measuring base 6 and the force transfer plate 8, the pressure sensor 7 is fixed on the force measuring base 6 through screws, the force transfer plate 8 is fixed on the pressure sensor 7 through a double-end stud, and the three components are connected into a whole.
The force transmission plate 8 is opposite to the fixed jaw 2, the inner end face of the force transmission plate 8 is a flat end face, and the force transmission plate 8 is used for clamping a workpiece in a contact mode. The pressure sensor 7 is a cantilever type pressure sensor or a disk type pressure sensor, and the acting force of the force transmission plate 8 is transmitted to the pressure sensor 7 and then transmitted to the external display device.
The pressure sensor 7 and the force transmission plate 8 are provided with two groups which are arranged in parallel, so that the block measurement of the stress condition is realized, and the reliable monitoring of the clamping force is ensured. Pressure sensor 7 is connected with the cable, and the cable includes power cord, earth connection, shielded wire and data signal line, and pressure sensor 7 passes through cable and external power source, pressure control digital display instrument electrical connection.
The utility model discloses a work flow: through the effect of the transmission screw rod 4, the movable jaw 3 is driven to slide towards the inner side, the force measuring assembly 5 is synchronously driven to move, the force transfer plate 8 is in contact with a workpiece, then the workpiece is clamped between the fixed jaw 2 and the force transfer plate 8, the acting force applied to the force transfer plate 8 is transferred to the pressure sensor 7, a pressure signal is fed back through the pressure sensor 7 and displayed on a digital display instrument, the rotation amount of the transmission screw rod 4 is controlled through the pressure condition, and the clamping force is ensured to be in a proper range.
The aforesaid the utility model discloses basic example and each further alternative can the independent assortment in order to form a plurality of embodiments, are the utility model discloses can adopt and claim the embodiment of protection. In the scheme of the utility model, each selection example can be combined with any other basic examples and selection examples at will.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (7)
1. The utility model provides a numerical milling processing clamping power control device, includes flat-nose pliers main part (1), and one side of flat-nose pliers main part (1) is equipped with regular jaw (2), and the opposite side of flat-nose pliers main part (1) is equipped with movable vice jaw (3), is equipped with between movable vice jaw (3) and flat-nose pliers main part (1) drive screw (4), its characterized in that: the movable jaw (3) is provided with a force measuring assembly (5), the force measuring assembly (5) comprises a force measuring base (6), a pressure sensor (7) and a force transfer plate (8), the force measuring base (6) is arranged on the movable jaw (3), the pressure sensor (7) is arranged on the force measuring base (6) and between the force transfer plate (8), and the force transfer plate (8) is opposite to the fixed jaw (2).
2. The numerical milling machining clamping force control device according to claim 1, characterized in that: the flat-nose pliers are characterized in that a sliding groove is formed in the flat-nose pliers body (1), and a lower convex portion of the movable jaw (3) is arranged in the sliding groove in a sliding mode.
3. The numerical-milling machining clamping force control device according to claim 1, characterized in that: the movable jaw (3) is of an L-shaped section, and the force measuring assembly (5) is positioned in an L-shaped groove of the movable jaw (3).
4. The numerical milling machining clamping force control device according to claim 1 or 3, characterized in that: the force measuring device is characterized in that the force measuring base (6) is placed on the movable jaw (3), the pressure sensor (7) is fixed on the force measuring base (6) through screws, and the force transfer plate (8) is fixed on the pressure sensor (7) through a double-end stud.
5. The numerical milling machining clamping force control device according to claim 1, characterized in that: the pressure sensors (7) and the force transmission plate (8) are provided with two groups which are arranged in parallel.
6. The numerical milling machining clamping force control device according to claim 1, characterized in that: the pressure sensor (7) is a cantilever type pressure sensor or a disc type pressure sensor.
7. The numerical milling machining clamping force control device according to claim 1 or 6, characterized in that: pressure sensor (7) be connected with the cable, the cable includes power cord, earth connection, shielded wire and data signal line, pressure sensor (7) pass through cable and external power source, pressure control digital display instrument electrical connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221931086.6U CN218532956U (en) | 2022-07-25 | 2022-07-25 | Clamping force control device for numerical milling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221931086.6U CN218532956U (en) | 2022-07-25 | 2022-07-25 | Clamping force control device for numerical milling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218532956U true CN218532956U (en) | 2023-02-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221931086.6U Active CN218532956U (en) | 2022-07-25 | 2022-07-25 | Clamping force control device for numerical milling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218532956U (en) |
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2022
- 2022-07-25 CN CN202221931086.6U patent/CN218532956U/en active Active
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