Embedded clamping tool

Abstract

The utility model discloses an embedded clamping tool which comprises a bottom plate, and a workpiece to be machined is placed on the bottom plate. Each jacking assembly comprises a pressing plate and a fixing plate, each pressing plate is rotatably connected with the corresponding fixing plate, a plurality of convex teeth are machined at one end of each pressing plate, the other end of each pressing plate abuts against the corresponding fixing plate, the fixing plates are adjustably installed on the bottom plate, and the convex teeth are embedded into a workpiece to be machined through the multiple jacking assemblies in a side jacking or downward pressing mode so that clamping and fixing can be achieved. According to the device, the clamping firmness is improved, guarantee is provided for rapid rough machining of large parts and side vertical clamping, and the risk that a workpiece to be machined is pulled in the Z-axis direction due to too large cutting force can be eliminated.

Description

TECHNICAL FIELD

[0001] The utility model relates to the partial improvement design technical field of frock clamp, especially a frock of embedded clamping. BACKGROUND

[0002] Frock, namely process equipment, refers to the total name of various tools used in the manufacturing process, including tools / clamps / molds / measuring tools / testing tools / auxiliary tools / toolmaker's tools / work station tools, etc. Clamps are process devices used to quickly fasten workpieces during processing, allowing the machine tool, tool, and workpiece to maintain the correct relative position. Frock clamps are indispensable components of mechanical processing. With the development of machine tool technology towards high speed, high efficiency, precision, combination, intelligence, and environmental protection, clamp technology is developing towards high precision, high efficiency, modules, combination, general-purpose, and economy.

[0003] For larger parts and heavy cutting parts, ordinary cylinder pressing or jaw locking devices have the problems of complex assembly and high manufacturing cost, and cannot well guarantee the clamping and fastening stability, especially the risk of workpiece pulling along the Z-axis direction due to excessive cutting force.

[0004] In the prior art, the patent with publication number CN214488973U discloses a frock clamp for die machining milling machine, which comprises a workbench, a fixed plate is installed on the upper end of the workbench, the fixed plate is provided with a universal clamp block and a spare clamp block, the fixed plate is provided with a groove, the universal clamp block is installed on the fixed plate, the universal clamp block is provided with a first protruding tooth, the first protruding tooth is engaged with the groove, the spare clamp block is provided with a second protruding tooth, and the second protruding tooth can be engaged with the groove. The utility model is simple, can quickly replace the appropriate clamp according to the shape of the workpiece, and improves the production efficiency and the quality of the workpiece.

[0005] The patent with publication number CN220462266U discloses a clamp for gear machining, which comprises a clamp main body, the clamp main body comprises a base and a plurality of clamping jaws distributed on the base in the circumferential direction of the base, the clamping jaws are all radially movable along the base, and at least one clamping jaw is provided with a protruding tooth on the clamping surface for clamping into the tooth groove of the gear, the clamp further comprises a positioning assembly, the positioning assembly is arranged on the clamping jaw provided with the protruding tooth, the positioning assembly comprises a clamping arm and a pulling assembly, the clamping arm comprises a protruding part capable of being inserted into the center hole of the gear in the axial direction of the gear; the pulling assembly is arranged on the clamping jaw for pulling the clamping arm in the radial direction of the base, and the clamping arm is detachably mounted on the pulling assembly; by arranging the positioning assembly, the gear groove and the protruding tooth can be positioned and clamped in advance, so that the problem of the protruding tooth deviating from the tooth groove of the gear does not occur when the clamping jaws are tightly clamped around the gear.

[0006] The patent with the publication number CN220179364U discloses a clamping mechanism and a clamping device, and belongs to the technical field of material clamping and conveying. The clamping mechanism comprises a power source, one end of which is connected with a clamping assembly; the clamping assembly comprises a first clamping plate and a second clamping plate hinged together, and a clamping plate is arranged on each of the first clamping plate and the second clamping plate, and a sawtooth directed to the lifting direction of the material is arranged on the clamping plate; a piston rod is arranged in the power source, and one end of the piston rod is connected with the first clamping plate and the second clamping plate; when the power source drives the piston rod to extend, the first clamping plate and the second clamping plate are driven to open, and when the power source drives the piston rod to retract, the first clamping plate and the second clamping plate are driven to close; when closed, the sawtooth of the first clamping plate and the second clamping plate clamps the material; and the clamping plate is a sawtooth plate. The main purpose of the utility model is to make the clamping of the material more firm and not easy to fall off.

[0007] In order to solve one of the above problems, the application provides a tool for embedded clamping. Utility model content

[0008] The utility model discloses a tool for embedded clamping, which can increase the firmness of clamping, provide protection for rough machining of large parts and side vertical clamping, and eliminate the risk of pulling the workpiece to be machined along the Z-axis direction caused by excessive cutting force.

[0009] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a tool for embedded clamping, comprising a bottom plate, the bottom plate is placed with a workpiece to be machined;

[0010] A top pressing assembly comprises a pressing plate and a fixed plate, the pressing plate is rotatably connected with the fixed plate, one end of the pressing plate is provided with a plurality of protrusions, and the other end abuts against the fixed plate, the fixed plate is adjustably installed on the bottom plate, a plurality of top pressing assemblies press the protrusions into the workpiece to be machined by side pressing or downward pressing, one or more top pressing assemblies are placed on the side of the workpiece to be machined to maintain the balance of clamping stress, and the top pressing assembly can press the protrusions on the pressing plate into the workpiece to be machined by directly pushing forward or obliquely downward pressing, thereby increasing the clamping firmness of the workpiece to be machined.

[0011] Further, it further comprises an edge plate, the edge plate is fixed on the bottom plate and abuts against the side of the workpiece to be machined, the number of top pressing assemblies can be reduced by increasing the design of the edge plate, the tool is easier to assemble, and the operation difficulty is reduced.

[0012] Further, the edge plate is provided with a stepped position in contact with the workpiece to be machined, and the edge plate is fixed on the bottom plate by screws.

[0013] Further, the fixed plate is provided with a pivot hole, and the pressing plate is provided with an adjusting hole, the pivot hole and the adjusting hole are connected through a pin shaft to realize hole shaft cooperation, and the rotation of the pressing plate around the fixed plate is realized.

[0014] Further, the pressing plate is provided with a first screw hole, the first screw hole is threadedly connected with a first bolt, the end of the first bolt abuts against the fixed plate, the height of the pressing plate is adjusted through the first bolt, and the rotation angle between the pressing plate and the fixed plate can be adjusted.

[0015] Further, the pressing plate is provided with a rotating part, a plurality of convex teeth are arranged on the upper side of the rotating part, and the adjusting hole is arranged on the rotating part.

[0016] Further, the fixed plate is provided with a limiting cavity, the rotating part is rotatably arranged in the limiting cavity, and pivot holes are arranged on the two sides of the limiting cavity.

[0017] Further, the fixed plate is provided with a limiting cavity, the rotating part is rotatably arranged in the limiting cavity, and pivot holes are arranged on the two sides of the limiting cavity.

[0018] Further, the pin shaft is provided with a radial hole, the end of the second bolt is provided with a third screw hole, the third screw hole is threadedly connected with a third bolt, and the third bolt penetrates through the radial hole, so that the locking position between the third bolt and the second bolt can be adjusted, that is, the height between the pin shaft and the rotating part can be finely adjusted.

[0019] Further, the pin shaft is provided with a radial hole, the end of the second bolt is provided with a third screw hole, the third screw hole is threadedly connected with a third bolt, and the third bolt penetrates through the radial hole, so that the locking position between the third bolt and the second bolt can be adjusted, that is, the height between the pin shaft and the rotating part can be finely adjusted.

[0020] Compared with the prior art, the device greatly increases the firmness of clamping, provides guarantee for rapid rough machining of large parts and side vertical clamping, and can eliminate the risk that the workpiece to be machined is pulled along the Z-axis direction due to excessive cutting force.

[0021] The plurality of convex teeth form a diamond sawtooth on the end face of the pressing plate, which is used to increase the stress of side top or downward pressing. Specifically, the diamond sawtooth is embedded into the workpiece to be machined by means of forward pushing or downward pressing, the freedom of the workpiece to be machined is limited, the clamping is more firm, and the workpiece to be machined is not pulled during side vertical machining. Attached Figure Description

[0022] Figure 1 This is a perspective view of the present utility model;

[0023] Figure 2 This is a top view of the present invention;

[0024] Figure 3 This is an exploded view of the present invention;

[0025] Figure 4 This is a schematic diagram of the top pressure assembly of this utility model;

[0026] Figure 5 for Figure 4 An explosion diagram;

[0027] Figure 6 for Figure 4 Top view;

[0028] Figure 7 for Figure 6 A cross-sectional view along the AA direction.

[0029] In the diagram: 1. Top pressure assembly; 11. Fixing plate; 111. Waist-shaped through hole; 112. Stop block; 113. Pivot hole; 114. Limiting cavity; 12. First bolt; 13. Pin; 14. Second bolt; 15. Third bolt; 16. Pressure plate; 161. First screw hole; 162. Second screw hole; 163. Adjustment hole; 164. Rotating part; 165. Protruding tooth; 2. Side plate; 3. Base plate; 4. Workpiece to be processed. Detailed Implementation

[0030] In the description of this utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0031] In the description of the utility model, it is necessary to explain that, unless there is definite stipulation and limitation, the terms "fix", "install", "connect", "arrange" and the like should be understood in a broad sense, for example, when an element is called "fixed to" another element, it can be directly on another element or there can be a middle element. When an element is considered "mounted on" another element, it can be directly mounted on another element or there can be a middle element. When an element is considered "connected" to another element, it can be fixedly connected, or it can be detachably connected, or it can be integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the internal communication of two elements.

[0032] For ordinary skilled persons in the art, the specific meanings of the above terms in the utility model can be understood according to specific circumstances.

[0033] The technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary skilled persons in the art without creative labor belong to the scope of protection of the utility model.

[0034] Embodiment one

[0035] Referring to Figures 1-7 The utility model discloses a kind of embedded clamping tool, including bottom plate 3, the bottom plate 3 is placed with workpiece 4 to be processed;Top pressure subassembly 1, the top pressure subassembly 1 includes pressing plate 16 and fixed plate 11, pressing plate 16 is rotatably connected fixed plate 11, pressing plate 16 one end is processed with several convex teeth 165 and the other end is resisted to fixed plate 11, fixed plate 11 is adjustably installed on bottom plate 3, and multiple top pressure subassembly 1 is embedded into workpiece 4 to be processed by the way of side top or down pressure, realizes clamping fixation, compared with the surface friction of traditional tool's pressure increase, using embedded clamping mode, can be applicable to larger parts and heavy cutting machining parts, can be well guaranteed clamping fastening stability.

[0036] The tool of the present application selects a proper number of top pressing assemblies 1 according to the shape of the workpiece 4 to be processed, one or more top pressing assemblies 1 are placed at the side of the workpiece 4 to be processed to maintain the balance of clamping force, the top pressing assembly 1 can adopt a direct forward pushing mode or an oblique downward pressing mode to make the convex teeth 165 on the pressing plate 16 embedded into the workpiece 4 to be processed, eliminate the risk of pulling the workpiece 4 to be processed along the Z-axis direction due to excessive cutting force, and increase the clamping firmness of the workpiece 4 to be processed, wherein the position of the fixed plate 11 on the bottom plate 3 can be adjusted forward and backward, specifically, at least two waist-shaped through holes 111 are processed on the fixed plate 11, screw holes corresponding to the positions of the waist-shaped through holes 111 are processed on the bottom plate 3 and are fixedly connected through screws, and the screws are locked at different positions of the waist-shaped through holes 111 to lock different mounting positions of the corresponding fixed plate 11. At the same time, the rotation angle of the pressing plate 16 relative to the fixed plate 11 can also be adjusted and limited, so that the pressing plate 16 can directly apply a horizontal force or press the workpiece 4 to be processed obliquely downward.

[0037] Embodiment two

[0038] Referring to Figures 1-7 As shown in the embodiment one, on the basis of the technical scheme of the embodiment one, an embedded clamping tool further comprises a side plate 2, the side plate 2 is fixed on the bottom plate 3 and abuts against the side of the workpiece 4 to be processed, by increasing the design of the side plate 2, such as installing one or more side plates 2 on one side or adjacent two sides of the workpiece 4 to be processed, and installing the top pressing assembly 1 on the side of the workpiece 4 to be processed opposite to the side plate 2, the top pressing assembly 1 can apply a horizontal or oblique downward force to the side plate 2 to clamp the workpiece 4 to be processed, compared with the assembly mode of the embodiment one that the top pressing assembly 1 is used on each side of the workpiece 4 to be processed, the number of the top pressing assembly 1 can be reduced, and the tool is easier to assemble and the operation difficulty is reduced. In addition, the side plate 2 is fixed on the bottom plate 3 by screws.

[0039] Embodiment three

[0040] Referring to Figures 1-7As shown, on the basis of the technical solutions in the above embodiment, a kind of embedded clamping tool, for the rotatable connection mode between pressing plate 16 and fixed plate 11, specifically, the fixed plate 11 is processed with pivot hole 113, and the pressing plate 16 is processed with adjusting hole 163, pivot hole 113 and adjusting hole 163 are connected by pin shaft 13, that is, one pin shaft 13 is simultaneously penetrated pivot hole 113 and adjusting hole 163, and the both ends of the pin shaft 13 are respectively provided with spring washer, and spring washer is locked in the end of pin shaft 13, to prevent pin shaft 13 from falling off, wherein pivot hole 113 is circular through hole, and the hole shaft cooperation between pin shaft 13 and pivot hole 113 is transition fit, adjusting hole 163 is sliding through hole with size greater than pivot hole 113, so that the pressing plate 16 can rotate within a certain range around pin shaft 13.

[0041] Further, the pressing plate 16 is processed with first screw hole 161, the first screw hole 161 is threadedly connected with first bolt 12, and the end of the first bolt 12 abuts against the fixed plate 11, and the rotating angle between the pressing plate 16 and the fixed plate 11 can be adjusted by adjusting the installation height of the first bolt 12 on the pressing plate 16.In addition, in order to facilitate the adjustment of the distance between the pressing plate 16 and the fixed plate 11, the pressing plate 16 is processed with second screw hole 162 penetrating the adjusting hole 163, the second screw hole 162 is located between the first screw hole 161 and the convex tooth 165 and is threadedly connected with the second bolt 14, and the second bolt 14 is connected with the pin shaft 13.Specifically, the pin shaft 13 is processed with radial hole, the end of the second bolt 14 is processed with third screw hole, the third screw hole is threadedly connected with third bolt 15, and the third bolt 15 penetrates the radial hole.Because the size of the adjusting hole 163 is greater than that of the pin shaft 13, and the position of the pin shaft 13 is limited on the fixed plate 11, the distance between one end of the pressing plate 16 and the fixed plate 11 can be adjusted by adjusting the distance between the second bolt 14 and the third bolt 15, that is, the height of the pressing plate 16 can be finely adjusted.

[0042] Further, the pressing plate 16 is provided with rotating part 164, and a plurality of convex teeth 165 are arranged on the upper side of the rotating part 164, the plurality of convex teeth 165 on the pressing plate 16 are uniformly arranged and can form sawtooth shape, the convex tooth 165 is a pyramid with the tip removed and forms a diamond sawtooth structure, and the adjusting hole 163 is located on the rotating part 164;the fixed plate 11 is provided with limiting cavity 114, and the rotating part 164 is rotatably arranged in the limiting cavity 114, and the two sides of the limiting cavity 114 are respectively processed with pivot hole 113.In addition, the fixed plate 11 is provided with stopper 112, the stopper 112 is processed with pivot hole 113, and the limiting cavity 114 is formed between the two oppositely arranged stoppers 112

[0043] The assembly and cooperation relationship of the various components, the various bolts and hole processing and the like are prior art or materials, and the skilled in the art can directly purchase or order from the market according to the required product model and specification.

[0044] The above is only the preferred specific embodiment of the utility model, and the known specific structure and characteristics and the like in the scheme are not described in detail herein. For those skilled in the art, it is obvious that the utility model is not limited to the details of the above embodiments, and the utility model can be realized in other specific forms without departing from the spirit or basic characteristics of the utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, and any skilled person in the art within the technical range disclosed by the utility model, according to the technical scheme and the utility model concept of the utility model, equivalent replacement or change, should be covered within the protection range of the utility model.

Claims

1. An embedded clamped tooling fixture, characterized by, It comprises a bottom plate (3) on which a workpiece (4) to be processed is placed; The top pressing assembly (1) comprises a pressing plate (16) and a fixed plate (11), the pressing plate (16) is rotatably connected to the fixed plate (11), one end of the pressing plate (16) is processed with a plurality of protrusions (165) and the other end is abutted on the fixed plate (11), the fixed plate (11) is adjustably installed on the bottom plate (3), a plurality of top pressing assemblies (1) embed the protrusions (165) into the workpiece (4) to be processed by side pressing or downward pressing to realize clamping and fixing.

2. An insert clamped tool according to claim 1, wherein It also comprises a side plate (2) which is fixed on the bottom plate (3) and abutted on the side of the workpiece (4) to be processed.

3. An insert clamped tooling as defined in claim 2 wherein, The side plate (2) is processed with a stepped position which is in contact with the workpiece (4) to be processed, and the side plate (2) is fixed on the bottom plate (3) by screws.

4. An insert clamped tool according to claim 1 or 2, wherein The fixed plate (11) is processed with a pivot hole (113), and the pressing plate (16) is processed with an adjusting hole (163), the pivot hole (113) and the adjusting hole (163) are connected by a pin shaft (13).

5. An insert clamped tooling as claimed in claim 4, wherein, The pressing plate (16) is processed with a first screw hole (161), the first screw hole (161) is threadedly connected with a first bolt (12), and the end of the first bolt (12) is abutted on the fixed plate (11).

6. An insert clamped tool according to claim 5, wherein The pressing plate (16) is provided with a rotating part (164), a plurality of protrusions (165) are processed on the upper side of the rotating part (164), and the adjusting hole (163) is located on the rotating part (164).

7. An insert clamped tooling as defined in claim 6 wherein, The fixed plate (11) is provided with a limiting cavity (114), the rotating part (164) is rotatably arranged in the limiting cavity (114), and the limiting cavity (114) is processed with a pivot hole (113) on both sides.

8. An insert clamped tool according to claim 7, wherein The fixed plate (11) is provided with a stop block (112), the stop block (112) is processed with a pivot hole (113), and the limiting cavity (114) is formed between the two oppositely arranged stop blocks (112); the pressing plate (16) is processed with a second screw hole (162) penetrating the adjusting hole (163), the second screw hole (162) is located between the protrusions (165) and the first screw hole (161) and is threadedly connected with a second bolt (14), and the second bolt (14) is connected with the pin shaft (13).

9. An insert clamped tool according to claim 8, wherein The pin shaft (13) is processed with a radial hole, the end of the second bolt (14) is processed with a third screw hole, the third screw hole is threadedly connected with a third bolt (15), and the third bolt (15) penetrates the radial hole.

10. An insert clamped tool according to claim 9, wherein The pin shaft (13) is provided with spring washers at both ends, the pivot hole (113) is a circular through hole, and the adjusting hole (163) is a sliding through hole with a size larger than that of the pivot hole (113); the fixed plate (11) is processed with at least two waist-shaped through holes (111), and the bottom plate (3) is processed with screw holes corresponding to the positions of the waist-shaped through holes (111) and is fixedly connected by screws.

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