CN219882741U - Spring clamp - Google Patents

Abstract

The utility model relates to a spring clamp, which belongs to the field of wood material production and processing, and is fixed on a frame, and comprises a clamping structure composed of a supporting piece, an elastic piece and a clamping piece, and a blocking component, wherein the blocking component extrudes or is far away from the clamping piece when in use; the upper end of the supporting piece is provided with a fixing part and a first connecting part, the lower end of the supporting piece is provided with a first clamping part, and the fixing part is fixedly connected with the rack; the clamping piece is sequentially provided with a second connecting part, a rotating part and a second clamping part from top to bottom, wherein the rotating part is rotationally connected with the fixed part, and the second clamping part and the first clamping part are matched to form a clamping device; the elastic piece is connected and tensioned through the first connecting part and the second connecting part; the clamping piece is provided with a blocking surface, and the clamping piece rotates and opens by taking the rotating part as the center when the blocking surface is blocked by the blocking component. The utility model realizes the conversion process from passive opening and closing to active opening and closing, and ensures that the veneer is not damaged while the veneer is clamped.

Description

Spring clamp

Technical Field

The utility model relates to the field of wood material production and processing, in particular to a spring clamp.

Background

In the fields of paper processing, furniture customization, and the like, it is necessary to process veneer having a relatively thin thickness. In the processing process of the veneer, the veneer needs to be transported, wherein in the process of carrying out single Zhang Jia working hours on the veneer, the veneer needs to be clamped and fixed one by using a clamp, so that the veneer is transported forwards in a hanging state.

The clamp used is usually a rigid spring clamp, and as the name implies, the rigid spring clamp clamps the veneer through the elasticity of spring steel, wherein the veneer is forced to be plugged into the spring clamp by extrusion, and then the spring clamp is forced to be pulled out, so that irreversible damage is easily caused to the veneer in the forced extrusion and pulling process, and the veneer is scrapped. Therefore, when the fixture is applied to the production and processing of the veneer, the veneer is not damaged.

Disclosure of Invention

1. Problems to be solved

Aiming at the problem that the veneer is easy to damage in the process of clamping the veneer by the traditional rigid spring clamp in the prior art, the utility model provides the spring clamp which converts passive opening and closing into active opening and closing, thereby avoiding the veneer from being damaged in the clamping process or the separating process, ensuring the integrity of the veneer and improving the processing quality of the veneer.

2. Technical proposal

In order to solve the problems, the utility model adopts the following technical scheme.

The spring clamp is fixed on the frame and comprises a clamping structure composed of a supporting piece, an elastic piece and a clamping piece, and a blocking component, wherein the blocking component extrudes or is far away from the clamping piece when in use; the upper end of the supporting piece is provided with a fixing part and a first connecting part, the lower end of the supporting piece is provided with a first clamping part, and the fixing part is fixedly connected with the rack; the clamping piece is sequentially provided with a second connecting part, a rotating part and a second clamping part from top to bottom, wherein the rotating part is rotationally connected with the fixed part, and the second clamping part and the first clamping part are matched to form a clamping device for a thin-skin object to be clamped; the elastic piece is connected and tensioned through the first connecting part and the second connecting part; the clamping piece is provided with a blocking surface which is extruded by the blocking component near the second connecting part, so that the clamping piece rotates around the rotating part to be opened or clamped.

Further, the upper end of the clamping piece extends along the width direction to form a triangular bulge, the triangular bulge is provided with a second connecting part near the vertex angle of the triangular bulge, and the upper inclined surface of the triangular bulge is a blocking surface.

Further, the blocking surface is a plane or a curved surface protruding outwards.

Further, the supporting piece is an L-shaped structural piece, and the fixing part and the first connecting part are positioned on the same side of the L-shaped structural piece.

Further, the first connecting part and the second connecting part are notches arranged on the edges of the supporting piece and the clamping piece, and the elastic piece is a spring or a spring steel plate.

Further, the side surface of the lower end of the supporting piece is provided with a first clamping plate in an extending mode along the thickness direction of the supporting piece, the lower end of the clamping piece is provided with a second clamping plate in an extending mode along the thickness direction of the clamping piece, and the first clamping plate and the second clamping plate are provided with opposite clamping surfaces.

Further, a transfer assembly is included for transferring the clamping structure such that the clamping member is either proximate to or distal from the blocking assembly.

Further, the blocking assembly comprises a blocking rod arranged on one side of the blocking surface of the clamping piece, and the circumferential side surface of the blocking rod is contacted with the blocking surface in use.

Further, the frame is provided with two sets of clamping structures at least, the blocking assembly correspondingly comprises at least two blocking rods, so that the clamping structures of the two sets synchronously move, and the blocking assembly further comprises a driving frame for driving the blocking rods to move up and down so as to be separated from the blocking surface.

Further, the frame has two opposite major sides, each major side being provided with at least two sets of clamping structures.

3. Advantageous effects

Compared with the prior art, the utility model has the beneficial effects that:

(1) According to the spring clamp, a traditional mode of clamping the veneer through elasticity of spring steel is abandoned, a clamping structure formed by matching of the supporting piece, the elastic piece and the clamping piece is adopted, and the blocking component extrudes or is far away from the clamping piece through controlling relative movement between the blocking component and the clamping piece, so that the clamping piece is rotated to open or clamp, a conversion process from passive opening and closing to active opening and closing is realized, forced extrusion and pulling in the traditional veneer clamping process of the spring steel are avoided, and the veneer is prevented from being damaged while the veneer is clamped.

(2) According to the spring clamp, the triangular bulge is arranged on the clamping piece, so that the elastic piece is conveniently stressed and tensioned, when the blocking surface is blocked by the principle of the blocking component, the clamping piece is rapidly clamped by the tensile force, the triangular bulge is used as a plane or a curved surface of the blocking surface, a good guiding effect can be provided for the extrusion process of the blocking component, the damage caused by direct rigid contact between the blocking component and the clamping piece is avoided, and the assembly service life is prolonged.

(3) The spring clamp can be provided with a fixed baffle rod and a clamping structure which moves forwards, and the clamping piece can be directly separated from the baffle rod when being extruded and rotated to a certain angle, so that the baffle rod can be sequentially contacted with a plurality of arranged clamping pieces, and rapid sequential blanking or sequential wood veneer clamping can be realized; the multi-stage wood veneer blanking machine can be matched with a plurality of groups of clamping mechanisms to be provided with a plurality of baffle rods, the baffle rods are driven by the driving frame to move up and down, and a plurality of clamping pieces can be extruded at one time, so that the blanking of a plurality of wood veneers is realized at one time, and the blanking efficiency is improved.

Drawings

Fig. 1 is a schematic structural view of a clamping structure in the present embodiment;

FIG. 2 is a schematic view of the structure of the supporting member in the present embodiment;

FIG. 3 is a schematic view of the structure of the clamping member in the present embodiment;

FIG. 4 is a schematic diagram of a distribution manner of the clamping structure in the present embodiment;

FIG. 5 is a schematic diagram of another distribution of the clamping structure according to the present embodiment;

FIG. 6 is a schematic view of a spring clip according to one embodiment of the present utility model;

fig. 7 is a schematic structural view of another embodiment of the spring clip in this embodiment.

In the figure:

1. a support; 101. a fixing part; 102. a first clamping part; 103. a first connection portion; 104. a first clamping plate; 2. a clamping member; 201. a second connecting portion; 202. a rotating part; 203. a second clamping portion; 204. triangular protrusions; 205. a blocking surface; 206. a second clamping plate; 3. an elastic member; 4. a fixed shaft; 5. a blocking assembly; 501. a gear lever; 502. a drive rack; 6. a frame.

Detailed Description

The utility model is further described with reference to the following examples in order to facilitate the understanding of the technical means, the creation characteristics, the achievement of the objects and the effects achieved by the utility model.

In the fields of paper processing, furniture customization and the like, wood veneers with thinner thickness are required to be processed, and in the transportation process of the wood veneers, the wood veneers are required to be clamped and fixed by using a clamp, so that the wood veneers are conveyed forwards in a hanging state. The clamp used in the method is a rigid spring clamp, namely the main body is made of spring steel, the veneer is forced to be plugged into the spring clamp by extrusion, and when the veneer is detached, the veneer is pulled out of the spring clamp, and the veneer is easily damaged in the process because the veneer is thinner, so that the veneer is scrapped. For this reason, there is an urgent need for a clip that does not damage the veneer while it is held and fixed, and the present embodiment provides such a spring clip.

Example 1

As shown in fig. 1-4, a spring clamp is fixed on a frame 6, mainly requiring the frame 6 to provide supporting and fixing functions, and mainly comprises a clamping structure composed of a supporting member 1, an elastic member 3 and a clamping member 2, and a blocking assembly 5, wherein the blocking assembly 5 presses or is far away from the clamping member 2 in use. When the wood veneer clamping device is used, the blocking component 5 presses the clamping piece 2 and the clamping piece 2 opens, so that the wood veneer enters a clamping range, the blocking component 5 is far away from the clamping piece 2, the elastic piece 3 resets, and the clamping piece 2 resets under the tensile force of the elastic piece 3, so that the wood veneer is clamped by matching with the supporting piece 1; when the veneer blanking needs to be released, the blocking component 5 presses the clamping piece 2, and the clamping piece 2 opens, so that the veneer naturally falls.

Specifically, as shown in fig. 2, the upper end of the supporting member 1 is provided with a fixing portion 101, the lower end is provided with a first clamping portion 102, the fixing portion 101 is fixedly connected with the frame 6 through a fixing shaft 4, and the fixing portion 101 is further provided with a first connecting portion 103; as shown in fig. 3, the clamping piece 2 is sequentially provided with a second connecting part 201, a rotating part 202 and a second clamping part 203 from top to bottom, wherein the rotating part 202 is rotationally connected with the frame 6 and the fixing part 101 through the fixing shaft 4, and the second clamping part 203 and the first clamping part 102 are matched to form a clamping device for a thin-skin object to be clamped; the elastic member 3 is connected and tensioned through the first connecting portion 103 and the second connecting portion 201, that is, the elastic member 3 is always in a tensioned state, and has a relative restoring tension, so that the restoring force and the clamping force of the supporting member 1 can be ensured when the clamping member 2 is not pressed by the blocking assembly 5.

Wherein the supporting element 1 can be an L-shaped structural member, the fixing portion 101 and the first connecting portion 103 are located on the same side of the L-shaped structural member, the clamping element 2 can be a straight rod-shaped structural member, the side surface of the lower end of the supporting element 1 is provided with a first clamping plate 104 along the thickness direction of the first clamping plate, the lower end of the clamping element 2 is provided with a second clamping plate 206 along the thickness direction of the second clamping plate, and the first clamping plate 104 and the second clamping plate 206 are provided with opposite clamping surfaces, so that the clamping area is increased, the clamping process is more stable, and the damage to a wooden belt can be better avoided by lifting the clamping surface area. The clamping member 2 has a blocking surface 205 near the second connecting portion 201, and the blocking surface 205 rotates and expands about the fixed shaft 4 or the rotating portion 202 when the blocking member 5 is pressed.

In one possible embodiment, the upper end of the clamping member 2 extends along the width direction to form a triangular protrusion 204, and the triangular protrusion 204 is provided with a second connecting portion 201 near the vertex angle of the triangular protrusion, so that the elastic member 3 can better drive the clamping member 2 to rotate, the upper inclined surface of the triangular protrusion 204 is a blocking surface 205, wherein the blocking surface 205 can be a plane or a curved surface protruding outwards, a good guiding effect can be provided for the extrusion process of the blocking assembly 5, direct rigid contact between the clamping member 2 and the blocking assembly 5 can be avoided, and damage caused by collision between the clamping member 2 and the blocking assembly 5 is reduced. Moreover, the first connecting portion 103 and the second connecting portion 201 are all notches formed on the edges of the supporting member 1 and the clamping member 2, and compared with the conventional method of connecting the elastic member 3 by forming through holes, the notches are easier to process, and the elastic member 3 can be a spring or a spring steel plate, wherein the spring can be a tension spring, a torsion spring or the like, and the spring steel plate is a plate made of spring steel and has certain elasticity.

In addition, in order to achieve that the blocking component 5 presses or is far away from the blocking surface 205 of the clamping piece 2, a transmission component may be further provided, and the transmission component may be a transmission chain, a ball screw or other mechanical transmission structures, so long as the clamping structure is driven to move, so that the clamping structure presses or is far away from the clamping piece 2 with the blocking component 5, and of course, the transmission component may also drive the blocking component 5 to move. The blocking assembly 5 may include a blocking lever 501 disposed on the blocking surface 205 side of the holder 2, as shown in fig. 6, wherein the blocking lever 501 has a circumferential surface contacting the blocking surface 205 in use, and the circumferential surface may further reduce the rigid contact with the blocking surface 205, and the blocking lever 501 may be fixedly supported by the frame 6. Wherein in a possible embodiment, the blocking assembly 5 comprises a fixed blocking rod 501, and when contacting with the clamping piece 2 in the clamping assembly, the clamping piece 2 rotates to a certain angle to directly separate from the blocking rod 501, so that the blocking rod 501 can sequentially contact with a plurality of arranged clamping pieces 2, thereby realizing rapid sequential blanking or sequential clamping of veneer.

Example 2

On the basis of embodiment 1, as shown in fig. 7, the frame 6 is provided with at least two groups of clamping structures arranged in sequence, and the blocking assembly 5 correspondingly comprises at least two blocking rods 501, so that the at least two groups of clamping structures synchronously move, and further comprises a driving frame 502 for driving the blocking rods 501 to move up and down so as to be separated from the blocking surface 205. When the wood veneer feeding device is used, the blocking rod 501 is driven to descend, the clamping structures move forwards, the clamping pieces 2 in at least two groups of clamping structures are simultaneously contacted with the blocking rod 501, and are extruded by the blocking rod 501, and the clamping pieces 2 are rotated and opened, so that the feeding or the discharging of at least two wood veneers can be realized at one time; then, the driving frame 502 drives the blocking rod 501 to ascend, the blocking rod 501 is separated from the blocking surface 205, the clamping piece 2 is reset, and the clamping structure continues to move forwards, so that the cyclic work can be realized that at least more Zhang Mupi falls down at one time, and the blanking efficiency is improved.

In another possible embodiment, as shown in fig. 5, the stand 6 has two opposite main sides, and at least two groups of clamping structures are disposed on each main side, so that more wood veneers can be blanked at a time, and blanking efficiency is further improved.

In the description of this patent, it should be understood that the terms "upper," "lower," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "front," "rear," "clockwise," "counterclockwise," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate describing the utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be configured and operated in a particular orientation, and thus should not be construed as limiting the patent.

In this patent, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and include, for example, either permanently connected, removably connected, or integrally connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the terms in this patent will be understood by those of ordinary skill in the art as the case may be.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is to be limited to the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (10)

1. The spring clamp is fixed on a frame (6) and is characterized by comprising a clamping structure composed of a supporting piece (1), an elastic piece (3) and a clamping piece (2), and a blocking component (5), wherein the blocking component (5) is extruded or separated from the clamping piece (2) when in use; the upper end of the supporting piece (1) is provided with a fixing part (101) and a first connecting part (103), the lower end of the supporting piece is provided with a first clamping part (102), and the fixing part (101) is fixedly connected with the frame (6); the clamping piece (2) is sequentially provided with a second connecting part (201), a rotating part (202) and a second clamping part (203) from top to bottom, wherein the rotating part (202) is rotationally connected with the fixed part (101), and the second clamping part (203) and the first clamping part (102) are matched to form a clamping device for a thin-skin object to be clamped; the elastic piece (3) is connected and tensioned through the first connecting part (103) and the second connecting part (201); the clamping piece (2) is provided with a blocking surface (205) pressed by the blocking assembly (5) near the second connecting part (201), so that the clamping piece (2) rotates to be opened or clamped by taking the rotating part (202) as the center.

2. The spring clip of claim 1, wherein: the upper end of the clamping piece (2) extends along the width direction to form a triangular bulge (204), the triangular bulge (204) is provided with a second connecting part (201) near the vertex angle of the triangular bulge (204), and the upper inclined surface of the triangular bulge (204) is a blocking surface (205).

3. The spring clip of claim 2, wherein: the blocking surface (205) is a plane or a curved surface protruding outwards.

4. The spring clip of claim 1, wherein: the support (1) is an L-shaped structural member, and the fixing part (101) and the first connecting part (103) are positioned on the same side of the L-shaped structural member.

5. The spring clip of claim 1, wherein: the first connecting part (103) and the second connecting part (201) are notches arranged on the edges of the supporting piece (1) and the clamping piece (2), and the elastic piece (3) is a spring or a spring steel plate.

6. The spring clip of claim 1, wherein: the side surface of the lower end of the supporting piece (1) is provided with a first clamping plate (104) in an extending mode along the thickness direction of the supporting piece, the lower end of the clamping piece (2) is provided with a second clamping plate (206) in an extending mode along the thickness direction of the supporting piece, and the first clamping plate (104) and the second clamping plate (206) are provided with opposite clamping surfaces.

7. The spring clip of claim 1, wherein: the device further comprises a transmission assembly for transmitting the clamping structure so that the clamping piece (2) is close to or far away from the blocking assembly (5).

8. A spring clip according to any one of claims 1-7, wherein: the blocking assembly (5) comprises a blocking rod (501) arranged on one side of a blocking surface (205) of the clamping piece (2), and the circumferential side surface of the blocking rod (501) is contacted with the blocking surface (205) in use.

9. The spring clip of claim 8, wherein: the frame (6) is provided with two sets of clamping structures at least, the blocking assembly (5) correspondingly comprises at least two blocking rods (501) so that the at least two sets of clamping structures move synchronously, and the blocking assembly further comprises a driving frame (502) for driving the blocking rods (501) to move up and down so as to be separated from the blocking surface (205).

10. The spring clip according to claim 9, wherein: the frame (6) has two opposite main sides, each of which is provided with at least two sets of clamping structures.