Tool clamp stable and rapid in clamping
By introducing a clamping cylinder-driven push plate and linkage plate structure into the tooling fixture, the problems of fixture loosening and long clamping time are solved, realizing rapid clamping and stable clamping, adapting to workpieces of different sizes, and improving processing efficiency.
Patent Information
- Application Number
- CN202422710830.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-07
- Publication Date
- 2025-11-25
- Estimated Expiration
- 2034-11-07
AI Technical Summary
Existing tooling fixtures suffer from problems such as loosening and long clamping times during the clamping process, resulting in unstable clamping and low efficiency.
The first and second clamping blocks within the clamping frame are clamped by a push plate and linkage plate structure driven by a clamping cylinder. The piston rod of the cylinder pushes the plate to achieve rapid clamping, and the clamping block spacing can be adjusted by an adjustment component to adapt to different sizes. Combined with the force multiplication effect of the linkage plate, stable clamping is achieved.
It achieves rapid clamping and stable holding, reduces clamping time, enhances clamping force, adapts to workpieces of different sizes, and improves processing efficiency.
Smart Images
Figure CN223589181U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of fixture, especially a work fixture with stable clamping and quick clamping. BACKGROUND
[0002] Work fixture refers to a device used to fix the processing object in the manufacturing process, so that it occupies the correct position for construction or detection. The fixture is usually composed of positioning elements, clamping devices, tool setting guide elements, indexing devices, connecting elements and fixture bodies, etc. for quickly, conveniently and safely installing workpieces.
[0003] In the use process of the existing opposite motion fixture, a screw is usually used to drive the positions of two fixtures. The threads of the screw and the thread grooves inside the fixture clamping blocks interfere with each other. In the long-term use process, a certain degree of wear will occur between the threads, which may cause loosening during stable clamping and processing. Direct replacement of the fixture will increase the cost. In addition, it takes a long time to clamp the workpiece by pushing the fixture with the screw, and the workpiece cannot be quickly clamped. Therefore, the applicant has made beneficial design and found a method to solve the above problems. The technical scheme to be introduced below is generated in this background. SUMMARY
[0004] The utility model discloses a kind of work fixtures with quick clamping and stable clamping to overcome the deficiencies in the prior art.
[0005] To solve the above problems, the utility model adopts the following technical scheme.
[0006] A work fixture with stable clamping and quick clamping includes a fixture frame. A first clamping block and a second clamping block are slidably arranged in the fixture frame. The first clamping block is provided with an adjusting assembly for adjusting the position of the first clamping block. One end of the fixture frame is provided with a first linkage plate. The second clamping block is provided with a second linkage plate and is hingedly connected to the first linkage plate. One side of the fixture frame is provided with a clamping cylinder. The piston rod of the clamping cylinder is provided with a push plate, and the push plate is hingedly connected to the first linkage plate.
[0007] Preferably, the two ends of the fixture frame are respectively provided with a first support block and a second support block. The first support block is provided with a threaded hole. The two sides of the fixture frame are provided with limiting through holes.
[0008] Preferably, one end of the first linkage plate is hingedly connected to the second support block. The other end of the first linkage plate is provided with a first recess. The two ends of the first recess are provided with first hinge holes.
[0009] Preferably, the second clamp block is provided with a second recess, the second recess is provided with a second hinge hole, and the second clamp block is provided with an abutting part.
[0010] Preferably, the second linkage plate is arranged in the first recess and the second recess, and keeps a spacing for left and right movement of the second linkage plate with the side wall of the second recess, one end of the second linkage plate is hinged to the first hinge hole, and the other end of the second linkage plate is hinged to the second hinge hole.
[0011] Preferably, the push plate is provided with a third recess which is recessed to the clamp frame, the third recess abuts the two ends of the first linkage plate, and the third recess is hinged to the first hinge hole.
[0012] Preferably, the first clamp block is provided with a pressure receiving groove for accommodating the abutting part, the first clamp block is provided with a first blind hole, and the two sides of the first clamp block are provided with second blind holes.
[0013] Preferably, the adjusting assembly comprises a first screw and a second screw, the first screw is threadedly connected to the threaded hole, the first screw is pivotally arranged in the first blind hole, the screw rod of the first screw is provided with a nut and abuts against the first supporting block, the second screw passes through the limiting through hole and is threadedly connected to the second blind hole, and a gasket is arranged between the head of the second screw and the clamp frame.
[0014] Beneficial effects:
[0015] Compared with the prior art, the utility model has the beneficial effects that:
[0016] (1) The utility model discloses a clamp frame, a first clamp block, a second clamp block, a first linkage plate, a second linkage plate, a push plate, a first hinge hole, a second hinge hole, a threaded hole, a limiting through hole, a first blind hole, a second blind hole, a first supporting block, a second supporting block, a first screw and a second screw are arranged.
[0017] (2) The utility model discloses a clamp frame, a first clamp block, a second clamp block, a first linkage plate, a second linkage plate, a push plate, a first hinge hole, a second hinge hole, a threaded hole, a limiting through hole, a first blind hole, a second blind hole, a first supporting block, a second supporting block, a first screw and a second screw are arranged. BRIEF DESCRIPTION OF DRAWINGS
[0018] Figure 1 It is a structure schematic view of the tool fixture of the utility model of clamping stable and clamping fast.
[0019] Figure 2 It is a fixture frame structure schematic view of the tool fixture of the utility model of clamping stable and clamping fast.
[0020] Figure 3 It is the explosion of the tool fixture of the utility model of clamping stable and clamping fast. Figure 1 ;
[0021] Figure 4 It is the explosion of the tool fixture of the utility model of clamping stable and clamping fast. Figure 2 ;
[0022] The corresponding relationship between the various figure marks and the component names in the drawing is as follows:
[0023] Mark: 1, fixture frame;2, first clamping block;3, second clamping block;4, adjusting assembly;5, first linkage plate;6, second linkage plate;7, clamping cylinder;8, push plate;
[0024] 11, first support block;12, second support block;13, limiting through hole;
[0025] 111, threaded hole;
[0026] 21, pressure groove;22, first blind hole;23, second blind hole;
[0027] 31, second recess;32, second hinged hole;33, abutting portion;
[0028] 41, first screw;42, second screw;43, nut;44, gasket;
[0029] 51, first recess;52, first hinged hole;
[0030] 81, third recess. DETAILED DESCRIPTION
[0031] The technical solutions of the utility model will be described clearly and completely in combination with the embodiments, and obviously, the described embodiments are a part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without making creative labor belong to the protection scope of the utility model.
[0032] In the description of the utility model, it is understood that the directions or position relations indicated by the terms "upper", "lower", "left", "right" and the like are based on the directions or position relations shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular direction, be constructed and operated in a particular direction, and therefore cannot be understood as a limitation on the utility model.
[0033] In the embodiments of the utility model, "and / or" is only a description of the association relationship of the associated objects, which can represent three kinds of relationships, for example, A and / or B can represent three cases of A existing alone, A and B existing simultaneously and B existing alone. In addition, the character " / " in this paper generally represents that the front and rear associated objects have an "or" relationship.
[0034] Reference example Figures 1 to 4 A work fixture with stable clamping and fast clamping, comprising a clamp frame 1, a first clamping block 2 and a second clamping block 3 are slidably arranged in the clamp frame 1, the first clamping block 2 is provided with an adjusting assembly 4 for adjusting the position of the first clamping block 2 before and after, one end of the clamp frame 1 is provided with a first linkage plate 5, the second clamping block 3 is provided with a second linkage plate 6 and is hinged to the first linkage plate 5, one side of the clamp frame 1 is provided with a clamping cylinder 7, the piston rod of the clamping cylinder 7 is provided with a push plate 8, the push plate 8 is hinged to the first linkage plate 5, the hinged point of the push plate 8 hinged to the second linkage plate 6 is farther away from the other end of the second linkage plate 6, when the torque applied to the push plate 8 by the clamping cylinder 7 gradually increases, the torque transmitted to the second clamping block 3 will also increase, realizing the effect of force multiplication, and the force of the clamping cylinder 7 is transmitted to the first linkage plate 5 and the second linkage plate 6 through the push plate 8, compared with directly pushing the second clamping block 3 to move and form a clamping force with the first clamping block 2 on the workpiece, the clamping force is larger and more stable;
[0035] It is worth mentioning that the two ends of the clamp frame 1 are respectively provided with a first supporting block 11 and a second supporting block 12, the first supporting block 11 is provided with a threaded hole 111, the two sides of the clamp frame 1 are provided with limiting through holes 13, the threaded hole 111 is matched with a first screw 41, and the limiting through holes 13 limit the movement range of the first clamping block 2 in the clamp frame 1;
[0036] It is worth mentioning that one end of the first linkage plate 5 is hinged to the second supporting block 12, the other end of the first linkage plate 5 is provided with a first recess 51, and the two ends of the first recess 51 are provided with first hinge holes 52, when the first linkage plate 5 and the second linkage plate 6 are in a straight line, the second supporting block 12 provides support for the first linkage plate 5 to prevent the second clamping block 3 from retreating, the first recess 51 is used for accommodating the second linkage plate 6, and the first hinge holes 52 make the first linkage plate 5, the second linkage plate 6 and the push plate 8 produce linkage action;
[0037] It is worth mentioning that the second clamp block 3 is provided with a second recess 31, the second recess 31 is provided with a second hinge hole 32, the second clamp block 3 is provided with a contact part 33, the second recess 31 is used for accommodating the second linkage plate 6, the second hinge hole 32 is matched with the first hinge hole 52, and the contact part 33 is in contact with the workpiece; and the contact part 33 can be in the shape of a triangle, a concave shape or the like.
[0038] It is worth mentioning that the second linkage plate 6 is arranged in the first recess 51 and the second recess 31, and keeps a spacing for left and right movement of the second linkage plate 6 with the side wall of the second recess 31; one end of the second linkage plate 6 is hinged to the first hinge hole 52, and the other end of the second linkage plate 6 is hinged to the second hinge hole 32; and the pushing plate 8 drives the second clamp block 3 to move through the second linkage plate 6.
[0039] It is worth mentioning that the pushing plate 8 is provided with a third recess 81 which is located in the clamp frame 1 and abuts against both ends of the first linkage plate 5; the third recess 81 is hinged to the first hinge hole 52, so that the pushing plate 8 can be normally pushed forward and backward.
[0040] It is worth mentioning that the first clamp block 2 is provided with a pressure receiving groove 21 for accommodating the contact part 33, the first clamp block 2 is provided with a first blind hole 22, and both sides of the first clamp block 2 are provided with second blind holes 23; the pressure receiving groove 21 is matched with the contact part 33, the first blind hole 22 is matched with a screw rod, and the second blind hole 23 is matched with a second screw 42.
[0041] It is worth mentioning that the adjusting assembly 4 comprises the first screw 41 and the second screw 42; the first screw 41 is threadedly connected to the threaded hole 111 and pivotally arranged in the first blind hole 22; the screw rod of the first screw 41 is provided with a nut 43 and abuts against the first supporting block 11; the second screw 42 passes through the limiting through hole 13 and is threadedly connected to the second blind hole 23; a gasket 44 is arranged between the head of the second screw 42 and the clamp frame 1; the spacing between the first clamp block 2 and the second clamp block 3 is adjusted by loosening the nut 43 and the second screw 42 and rotating the first screw 41, so as to adapt to workpieces of different sizes; after the position of the first clamp block 2 is adjusted, the second screw 42 is tightened, and then the nut 43 is tightened, so that the nut 43 abuts against the first supporting block 11 and the first screw 41 abuts against the threaded hole 111, thereby increasing the friction between the first clamp block 2 and the clamp frame 1 and ensuring that the first clamp block 2 is fixed at the adjusted position; since the clamp frame 1 is installed on a machine, good perpendicularity between the clamp frame 1 and the machine is generated.
[0042] The use principle of the utility model will be described as follows:
[0043] The processing piece is placed between the first clamp block 2 and the second clamp block 3, the air source switch is opened and the clamping cylinder 7 is supplied with air, the piston rod of the clamping cylinder 7 extends and drives the push plate 8 to move to the other side of the clamp frame 1, the angle between the first linkage plate 5, the second linkage plate 6 and the push plate 8 is changed, the first linkage plate 5 and the second linkage plate 6 are in a straight line, as shown in the accompanying Figure 1 The second clamp block 3 is driven to move to the direction of the first clamp block 2, the abutting part 33 tightly presses the processing piece in the pressure receiving groove 21, and the clamping cylinder 7 is supplied with air to ensure that the second clamp block 3 and the first clamp block 2 form a clamping force on the processing piece;
[0044] When the air source is cut off, the clamping cylinder 7 loses the air supply, the piston rod retracts, and the first linkage plate 5 and the second linkage plate 6 are driven to move in linkage, so that the second clamp block 3 is reset, at this time, the first linkage plate 5, the second linkage plate 6 and the push plate 8 are in Y-shaped structure, and the above operation steps are repeated to realize the purpose of quickly clamping or releasing the processing piece.
[0045] The above design scheme can realize the advantages of quick clamping and stable clamping of the product.
[0046] The above content is further described in detail in combination with the specific embodiments, and cannot be determined that the specific embodiments of the utility model are limited to these descriptions. For ordinary skilled persons in the technical field to which the utility model belongs, without departing from the concept of the utility model, a number of simple deductions or substitutions can be made, which should be regarded as belonging to the protection range determined by the claims of the utility model.
Claims
1. A tooling fixture that provides stable and rapid clamping, comprising a fixture frame (1), wherein a first clamping block (2) and a second clamping block (3) are slidably disposed within the fixture frame (1), characterized in that: The first clamping block (2) is provided with an adjustment component (4) for adjusting the position of the first clamping block (2) back and forth. One end of the clamping frame (1) is provided with a first linkage plate (5). The second clamping block (3) is provided with a second linkage plate (6) and is hinged to the first linkage plate (5). One side of the clamping frame (1) is provided with a clamping cylinder (7). The piston rod of the clamping cylinder (7) is provided with a push plate (8). The push plate (8) is hinged to the first linkage plate (5).
2. The tooling fixture with stable and rapid clamping according to claim 1, characterized in that: The clamp frame (1) has a first support block (11) and a second support block (12) at both ends, the first support block (11) has a threaded hole (111), and the clamp frame (1) has a limiting through hole (13) on both sides.
3. The tooling fixture with stable and rapid clamping according to claim 2, characterized in that: One end of the first linkage plate (5) is hinged to the second support block (12), and the other end of the first linkage plate (5) is provided with a first groove (51), and the two ends of the first groove (51) are provided with first hinge holes (52).
4. The tooling fixture with stable and rapid clamping according to claim 3, characterized in that: The second clamping block (3) is provided with a second groove (31), the second groove (31) is provided with a second hinge hole (32), and the second clamping block (3) is provided with an abutment part (33).
5. The tooling fixture with stable and rapid clamping according to claim 4, characterized in that: The second linkage plate (6) is disposed in the first groove (51) and the second groove (31), and maintains a distance between the second linkage plate (6) and the side wall of the second groove (31) for left and right movement. One end of the second linkage plate (6) is hinged to the first hinge hole (52), and the other end of the second linkage plate (6) is hinged to the second hinge hole (32).
6. The tooling fixture with stable and rapid clamping according to claim 3 or 4, characterized in that: The push plate (8) is provided with a third groove (81) that is accommodating the clamp frame (1). The third groove (81) abuts against both ends of the first linkage plate (5). The third groove (81) is hinged to the first hinge hole (52).
7. The tooling fixture with stable and rapid clamping according to claim 4, characterized in that: The first clamping block (2) is provided with a pressure-bearing groove (21) for accommodating the contact part (33), the first clamping block (2) is provided with a first blind hole (22), and the first clamping block (2) is provided with a second blind hole (23) on both sides.
8. The tooling fixture with stable and rapid clamping according to claim 7, characterized in that: The adjustment assembly (4) includes a first screw (41) and a second screw (42). The first screw (41) is threaded into a threaded hole (111) and pivotally disposed in a first blind hole (22). The screw of the first screw (41) is provided with a nut (43) and abuts against a first support block (11). The second screw (42) passes through a limiting through hole (13) and is threaded into a second blind hole (23). A washer (44) is provided between the head of the second screw (42) and the clamp frame (1).