CN214718054U - Workpiece pressing mechanism - Google Patents
Workpiece pressing mechanism Download PDFInfo
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- CN214718054U CN214718054U CN202023280494.3U CN202023280494U CN214718054U CN 214718054 U CN214718054 U CN 214718054U CN 202023280494 U CN202023280494 U CN 202023280494U CN 214718054 U CN214718054 U CN 214718054U
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Abstract
The utility model discloses a work piece hold-down mechanism, include: the middle part of the pressing plate is provided with a workpiece hole penetrating along the thickness direction; the first pressing components are arranged below the outer side of the workpiece hole to press the edge of the workpiece; and the second pressing component is arranged below the pressing plate, and at least one part of the second pressing component falls into the workpiece hole along the projection of the z-axis direction so as to press the middle part of the workpiece. The beneficial effects of the utility model are that, the utility model discloses simple structure through seting up the work piece hole at the clamp plate middle part, utilizes the first subassembly that compresses tightly to compress tightly the work piece edge, utilizes the second to compress tightly the subassembly simultaneously and compresses tightly the work piece middle part, has improved the effect that compresses tightly to the work piece.
Description
Technical Field
The utility model belongs to the technical field of hold-down mechanism, concretely relates to hold-down mechanism for chip.
Background
The chip needs to be kept in a static state during chip dispensing processing, and the upper surface needs to be exposed as much as possible during chip dispensing, so that the existing pressing mechanism cannot meet the requirement of exposing a workpiece and can realize better pressing when pressing the workpiece.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the technical problem that exists among the prior art at least.
Therefore, the utility model provides a work piece hold-down mechanism, the advantage that this work piece hold-down mechanism has.
According to the utility model discloses work piece hold-down mechanism, include: the middle part of the pressing plate is provided with a workpiece hole penetrating along the thickness direction; a plurality of first hold-down assemblies disposed below the outer side of the workpiece aperture to hold down an edge of the workpiece; and the second pressing component is arranged below the pressing plate, and at least part of the projection of the second pressing component along the z-axis direction falls in the workpiece hole so as to press the middle part of the workpiece.
The beneficial effects of the utility model are that, the utility model discloses simple structure through seting up the work piece hole at the clamp plate middle part, utilizes the first subassembly that compresses tightly to compress tightly the work piece edge, utilizes the second to compress tightly the subassembly simultaneously and compresses tightly the work piece middle part, has improved the effect that compresses tightly to the work piece.
According to the utility model discloses an embodiment, the work piece hole is square structure, the quantity that first compresses tightly the subassembly is four, four first subassemblies that compress tightly are located respectively the outside at four angles in work piece hole.
According to the utility model discloses an embodiment, be equipped with on the clamp plate with the first mounting hole that compresses tightly the subassembly and correspond from top to bottom, first compress tightly the subassembly and include: the connecting block, a part of the said connecting block is inserted and connected to the said mounting hole; the spring is hung below the connecting block; and the screw penetrates through the center of the spring and fixes the other part of the connecting block below the pressure plate.
According to the utility model discloses an embodiment, the quantity of spring is two, the straight line at two spring places is on a parallel with the x axle.
According to the utility model discloses an embodiment, the second compresses tightly the subassembly and includes: the axis of the steel wire is parallel to the x axis, and the projection of the steel wire along the z axis direction is located on the central line of the workpiece hole.
According to the utility model discloses an embodiment, the guiding hole has been seted up on the clamp plate, the second compresses tightly the subassembly and still includes: the steel wire fixing end is positioned on one side of the workpiece hole and is fixedly arranged below the pressing plate; the steel wire movable end is positioned on the other side of the workpiece hole, and part of the steel wire movable end is movably arranged in the guide hole; the locating piece in the middle of the steel wire is located between the fixed end of the steel wire and the movable end of the steel wire, and is fixedly arranged below the pressing plate.
According to the utility model discloses an embodiment, the steel wire stiff end includes: the steel wire stiff end locating piece with fix the steel wire stiff end compact heap of steel wire stiff end locating piece one side, the one end of steel wire is fixed to be established steel wire stiff end locating piece with between the steel wire stiff end compact heap.
According to the utility model discloses an embodiment, the steel wire expansion end includes: the steel wire movable end clamping device comprises a steel wire movable end positioning block and a steel wire movable end pressing block fixed on one side of the steel wire movable end positioning block, wherein the other end of the steel wire is fixedly arranged between the steel wire movable end positioning block and the steel wire movable end pressing block.
According to the utility model discloses an embodiment, the second compresses tightly the subassembly and still includes: the steel wire tensioning block is fixedly arranged below the pressing plate; the head of the tensioning screw is rotationally connected with the steel wire tensioning block, and the tip of the tensioning screw is screwed into the movable end of the steel wire to drive the movable end of the steel wire to move in the guide hole, so that tightness adjustment of the steel wire is completed.
According to the utility model discloses an embodiment, the locating piece is located in the middle of the steel wire the work piece hole with between the steel wire expansion end, the middle part of steel wire is in the middle of the steel wire the locating piece with can follow the x axle activity between the clamp plate.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic perspective view of a workpiece pressing mechanism according to an embodiment of the present invention;
fig. 2 is an exploded schematic view of a workpiece hold-down mechanism according to an embodiment of the present invention;
reference numerals:
the device comprises a workpiece pressing mechanism-25 d, a pressing plate-25 d1, a first pressing component-25 d2, a second pressing component-25 d3, a workpiece hole-25 d11, a guide hole-25 d12, a connecting block-25 d21, a spring-25 d22, a steel wire fixed end positioning block-25 d31, a steel wire fixed end pressing block-25 d32, a steel wire middle positioning block-25 d33, a steel wire movable end positioning block-25 d34, a steel wire movable end pressing block-25 d35, a steel wire tensioning block-25 d36, a tensioning screw-25 d37 and a steel wire-25 d 38.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The work pressing mechanism 25d according to an embodiment of the present invention is specifically described below with reference to the drawings.
As shown in fig. 1 to 2, the workpiece pressing mechanism 25d according to the embodiment of the present invention includes: the pressing plate 25d1, a plurality of first pressing components 25d2 and second pressing components 25d3, wherein the middle part of the pressing plate 25d1 is provided with a workpiece hole 25d11 penetrating through in the thickness direction; a plurality of first compression assemblies 25d2 are provided below the outer sides of the workpiece apertures 25d11 to compress the edges of the workpiece; the second pressing assembly 25d3 is arranged below the pressing plate 25d1, and at least a part of the projection of the second pressing assembly 25d3 along the z-axis direction falls into the workpiece hole 25d11 to press the middle part of the workpiece. The utility model discloses simple structure through seting up work piece hole 25d11 in clamp plate 25d1 middle part, utilizes first subassembly 25d2 that compresses tightly to compress tightly the work piece edge, utilizes the second to compress tightly subassembly 25d3 simultaneously and compresses tightly the work piece middle part, has improved the effect that compresses tightly the work piece.
Furthermore, the workpiece hole 25d11 is a square structure, the number of the first pressing assemblies 25d2 is four, the four first pressing assemblies 25d2 are respectively arranged at the outer sides of the four corners of the workpiece hole 25d11, and the four corners are pressed simultaneously, so that the workpieces are pressed uniformly.
According to the utility model discloses an embodiment, be equipped with on the clamp plate 25d1 with the first mounting hole that compresses tightly subassembly 25d2 upper and lower corresponding, the first subassembly 25d2 that compresses tightly includes: the connecting block 25d21, the spring 25d22 and the screw, wherein a part of the connecting block 25d21 is inserted into the mounting hole; the spring 25d22 is hung below the connecting block 25d 21; the screw passes through the center of the spring 25d22, fixes the other part of the connecting block 25d21 below the pressure plate 25d1, and presses the workpiece by the spring 25d22, thereby avoiding hard contact and effectively preventing the workpiece from being crushed.
Preferably, the number of the springs 25d22 is two, the straight line of the two springs 25d22 is parallel to the x-axis, and the two springs 25d22 are parallel to the x-axis, so as to press the edge of the workpiece as much as possible, and expose the upper surface of the workpiece as much as possible, thereby facilitating the subsequent processing.
In some embodiments of the present invention, the second pressing assembly 25d3 includes: the steel wire 25d38, the axis of steel wire 25d38 is parallel to the x-axis, the projection of steel wire 25d38 along the z-axis direction falls on the central line of the workpiece hole 25d11, the middle of the workpiece is pressed by the steel wire 25d38, the upper surface of the workpiece is exposed as far as possible, and sufficient processing space is reserved.
According to the utility model discloses an embodiment, seted up guiding hole 25d12 on the clamp plate 25d1, the second compresses tightly subassembly 25d3 and still includes: the steel wire fixing end, the steel wire movable end and the steel wire middle positioning block 25d33 are arranged on one side of the workpiece hole 25d11 and fixedly arranged below the pressing plate 25d 1; the movable end of the steel wire is positioned at the other side of the workpiece hole 25d11, and part of the movable end of the steel wire is movably arranged in the guide hole 25d 12; the middle positioning block 25d33 is located between the fixed end and the movable end and is fixed below the pressing plate 25d 1. Further, the steel wire fixing end includes: wire fixed end positioning block 25d31 and wire fixed end compact heap 25d32 fixed on one side of wire fixed end positioning block 25d31, one end of wire 25d38 is fixed between wire fixed end positioning block 25d31 and wire fixed end compact heap 25d 32. Still further, the steel wire free end includes: steel wire active end locating piece 25d34 and fix the steel wire active end compact heap 25d35 in steel wire active end locating piece 25d34 one side, the other end of steel wire 25d38 is fixed to be established between steel wire active end locating piece 25d34 and steel wire active end compact heap 25d35, fix a position and fix steel wire 25d38 both ends and middle part, avoided steel wire 25d38 to take place to rock at the clamping in-process.
According to an embodiment of the present invention, the second pressing assembly 25d3 further includes: the steel wire tensioning block 25d36, the steel wire tensioning block 25d36 is fixedly arranged below the pressure plate 25d 1; the head of the tension screw 25d37, the head of the tension screw 25d37 is rotatably connected with the steel wire tension block 25d36, the tip of the tension screw 25d37 is screwed into the movable end of the steel wire to drive the movable end of the steel wire to move in the guide hole 25d12, so that the tightness of the steel wire 25d38 is adjusted, the degree of tightness of the steel wire 25d38 is adjusted, the pressing force of the steel wire 25d38 on a product is further adjusted, and the adjusting process is very convenient and controllable.
Preferably, wire intermediate positioning block 25d33 is located between workpiece aperture 25d11 and the wire free end, the middle of wire 25d38 is movable along the x-axis between wire intermediate positioning block 25d33 and pressing plate 25d1, and wire intermediate positioning block 25d33 only serves to position the middle of wire 25d38, ensuring that a portion of wire 25d38 is always located in the middle of workpiece aperture 25d 11.
When the workpiece pressing mechanism 25d works, the workpiece pressing mechanism 25d is located right above the workpiece, the workpiece hole 25d11 corresponds to the workpiece up and down, the workpiece moves upwards until the steel wire 25d38 contacts with the middle of the workpiece, then the workpiece continues to move upwards for a short distance, the lower end of the spring 25d22 contacts with the edge of the workpiece and is compressed, and the workpiece is pressed at the moment.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (10)
1. A workpiece hold-down mechanism, comprising:
the middle part of the pressure plate (25d1) is provided with a workpiece hole (25d11) penetrating along the thickness direction;
a plurality of first pressing assemblies (25d2), the plurality of first pressing assemblies (25d2) being arranged below the outer side of the workpiece hole (25d11) to press the edge of the workpiece;
a second pressing assembly (25d3), wherein the second pressing assembly (25d3) is arranged below the pressure plate (25d1), and at least a part of the projection of the second pressing assembly (25d3) along the z-axis direction falls into the workpiece hole (25d11) to press the middle part of the workpiece.
2. The workpiece pressing mechanism according to claim 1, wherein the workpiece hole (25d11) has a square-shaped structure, the number of the first pressing members (25d2) is four, and the four first pressing members (25d2) are respectively provided outside four corners of the workpiece hole (25d 11).
3. The workpiece pressing mechanism of claim 1, wherein the pressing plate (25d1) is provided with mounting holes corresponding to the upper and lower parts of the first pressing assembly (25d2), and the first pressing assembly (25d2) comprises:
a connecting block (25d21), a part of the connecting block (25d21) is inserted into the mounting hole;
the spring (25d22), the spring (25d22) hangs under the connecting block (25d 21);
a screw passing through the center of the spring (25d22) to fix another portion of the connecting block (25d21) under the pressure plate (25d 1).
4. The workpiece pressing mechanism according to claim 3, wherein the number of the springs (25d22) is two, and a straight line on which the two springs (25d22) are located is parallel to the x-axis.
5. The workpiece pressing mechanism of claim 1, wherein the second pressing assembly (25d3) comprises:
a steel wire (25d38), the axis of the steel wire (25d38) is parallel to the x-axis, and the projection of the steel wire (25d38) along the z-axis direction falls on the center line of the workpiece hole (25d 11).
6. The workpiece pressing mechanism of claim 4, wherein the pressing plate (25d1) is provided with a guide hole (25d12), and the second pressing assembly (25d3) further comprises:
the steel wire fixing end is positioned on one side of the workpiece hole (25d11) and is fixedly arranged below the pressure plate (25d 1);
the steel wire movable end is positioned at the other side of the workpiece hole (25d11), and part of the steel wire movable end is movably arranged in the guide hole (25d 12);
the steel wire middle positioning block (25d33), the steel wire middle positioning block (25d33) is located between the fixed end of the steel wire and the movable end of the steel wire, and is fixedly arranged below the pressing plate (25d 1).
7. The workpiece pressing mechanism according to claim 6, wherein the wire fixing end comprises: wire fixed end locating piece (25d31) with fix wire fixed end compact heap (25d32) of wire fixed end locating piece (25d31) one side, the one end of wire (25d38) is fixed to be established wire fixed end locating piece (25d31) with between wire fixed end compact heap (25d 32).
8. The workpiece hold-down mechanism of claim 6, wherein the wire free end comprises: the steel wire movable end pressing device comprises a steel wire movable end positioning block (25d34) and a steel wire movable end pressing block (25d35) fixed on one side of the steel wire movable end positioning block (25d34), wherein the other end of the steel wire (25d38) is fixedly arranged between the steel wire movable end positioning block (25d34) and the steel wire movable end pressing block (25d 35).
9. The workpiece pressing mechanism of claim 6, wherein the second pressing assembly (25d3) further comprises:
the wire tensioning block (25d36), the wire tensioning block (25d36) is fixedly arranged below the pressure plate (25d 1);
a tensioning screw (25d37), the head of the tensioning screw (25d37) is rotatably connected with the wire tensioning block (25d36), and the tip of the tensioning screw (25d37) is screwed into the movable end of the wire to drive the movable end of the wire to move in the guide hole (25d12), so that tightness adjustment of the wire (25d38) is completed.
10. The workpiece pressing mechanism according to claim 6, wherein the wire intermediate positioning block (25d33) is located between the workpiece hole (25d11) and the wire free end, and a middle portion of the wire (25d38) is movable along the x-axis between the wire intermediate positioning block (25d33) and the pressing plate (25d 1).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202023280494.3U CN214718054U (en) | 2020-12-30 | 2020-12-30 | Workpiece pressing mechanism |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN202023280494.3U CN214718054U (en) | 2020-12-30 | 2020-12-30 | Workpiece pressing mechanism |
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CN214718054U true CN214718054U (en) | 2021-11-16 |
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CN202023280494.3U Active CN214718054U (en) | 2020-12-30 | 2020-12-30 | Workpiece pressing mechanism |
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2020
- 2020-12-30 CN CN202023280494.3U patent/CN214718054U/en active Active
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