Rapid plate clamping fixture

Abstract

The utility model discloses a clamp for quickly clamping plates. The rapid plate clamping fixture comprises a base table, a plurality of first pressing holes and a plurality of second pressing holes are formed in the end face of one side of the base table, the first pressing holes are all located in a plate clamping area, and the second pressing holes are distributed outside the plate clamping area; the first clamping assembly is fixedly connected to the end face of one side of the base table, and the first clamping assembly penetrates through the side wall of the first pressing hole and extends to the end face of the other side of the base table; and the second clamping assembly is fixedly connected to the end face of one side of the base table, and the second clamping assembly penetrates through the side wall of the second pressing hole and extends to the end face of the other side of the base table. According to the clamp capable of rapidly clamping the plate, pressure can be applied to the plate in multiple directions, the plate is clamped, therefore, displacement of the plate in all directions is limited, the position of the plate is kept fixed during machining, and the positioning precision is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of machining auxiliary clamping, and particularly relates to a quick clamping plate clamp. BACKGROUND

[0002] In the machining field, some products have complex structures and often need to be machined through several processes. In the machining process, a clamp is used to fix a workpiece to be machined on a machining platform to keep the position of the workpiece fixed during machining. After the workpiece is machined, the workpiece needs to be removed from the platform for the next process.

[0003] The existing workpiece clamp on the market only contacts one side of the plate with a pressing block to press the plate tightly on the base, and the plate is only pressed in one direction by the clamp. For example, the utility model patent disclosed in CN214213022U discloses a kind of adjustable cylinder clamp. Using this fixing mode, the workpiece is prone to displacement during machining due to large stress, which reduces the positioning accuracy of the workpiece and ultimately affects the quality of the machined product.

[0004] Therefore, in view of the above technical problems, it is necessary to provide a quick clamping plate clamp.

[0005] The information disclosed in the background section of this document is only intended to increase the understanding of the overall background of the utility model and should not be considered as acknowledging or implying in any form that this information constitutes prior art known to those skilled in the art. UTILITY MODEL CONTENT

[0006] The utility model aims to provide a quick clamping plate clamp that can solve the problems raised in the background.

[0007] To achieve the above purpose, the technical scheme provided by a specific embodiment of the utility model is as follows:

[0008] A quick clamping plate clamp comprises a base, a plurality of first pressing holes and a plurality of second pressing holes are formed in one side end face of the base, the plurality of first pressing holes are located in the clamping plate area, and the plurality of second pressing holes are distributed outside the clamping plate area; a first clamping assembly is fixedly connected to one side end face of the base, and the first clamping assembly extends from the side wall of the first pressing hole to the other side end face of the base; a second clamping assembly is fixedly connected to one side end face of the base, and the second clamping assembly extends from the side wall of the second pressing hole to the other side end face of the base.

[0009] In one or more embodiments of the utility model, first clamping assembly includes first pneumatic cylinder, first pneumatic cylinder fixedly connected on base, the push rod end of first pneumatic cylinder is fixedly connected with first connecting rod, one side end surface of first connecting rod is fixedly connected with first telescopic link, the lateral wall of first telescopic link is clamped with U type lock block.

[0010] In one or more embodiments of the utility model, the first telescopic link is a hexagonal screw rod, the first connecting rod is provided with an internal thread, and the first telescopic link is screwed on the first connecting rod.

[0011] In one or more embodiments of the utility model, the end surface of the U-shaped lock block in contact with the plate is pasted with a first anti-skid pad.

[0012] In one or more embodiments of the utility model, the second clamping assembly includes a second pneumatic cylinder and a wedge-shaped lock block, the second pneumatic cylinder is fixedly connected to one side end surface of the base, the wedge-shaped lock block is slidingly connected in the side wall of the second pressing hole, and the push rod end of the second pneumatic cylinder is fixedly connected with a wedge-shaped movable block matched with the wedge-shaped lock block.

[0013] In one or more embodiments of the utility model, a plurality of limiting grooves are formed in one side end surface of the base, a sleeve is fixedly connected in the side wall of the limiting groove, and a first spring is slidingly connected in the sleeve.

[0014] In one or more embodiments of the utility model, a limiting column matched with the sleeve is fixedly connected to one side end surface of the wedge-shaped lock block.

[0015] In one or more embodiments of the utility model, a second anti-skid pad is pasted on one side end surface of the wedge-shaped lock block.

[0016] In one or more embodiments of the utility model, a plurality of convex grooves are formed in one side end surface of the base, and a jacking mechanism is slidingly connected in the side wall of the convex groove.

[0017] In one or more embodiments of the utility model, the jacking mechanism includes a supporting disc, the supporting disc slides in the side wall of the convex groove, one side end surface of the supporting disc is fixedly connected with a sliding column, a cylindrical recess is formed in one side end surface of the sliding column, and a second spring is slidingly connected in the side wall of the cylindrical recess.

[0018] Compared with the prior art, the utility model discloses a kind of quick clamping plate material clamps, can be clamped from multiple directions to plate material, exerts pressure on plate material in multiple directions, to limit the displacement of plate material in each direction, keep the position of plate material fixed when processing, not displacement, to improve the accuracy of positioning, improve product quality. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the technical solutions of the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or prior art description. Obviously, the drawings described below are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0020] Figure 1 It is a perspective view of a kind of fast clamping plate material clamp in an embodiment of the present application;

[0021] Figure 2 It is a front view of a kind of fast clamping plate material clamp in an embodiment of the present application;

[0022] Figure 3 It is the first clamping component structure explosion chart in an embodiment of the present application;

[0023] Figure 4 It is the second clamping component structure explosion chart in an embodiment of the present application;

[0024] Figure 5 It is a sectional view of a kind of fast clamping plate material clamp in an embodiment of the present application;

[0025] Figure 6 It is Figure 5 Structure schematic view in A place in it;

[0026] Figure 7 It is the top-up mechanism structure explosion chart in an embodiment of the present application.

[0027] Main drawing mark explanation:

[0028] 1-base, 101-first pressing hole, 102-second pressing hole, 103-convex groove, 104-limiting groove, 105-first limiting ring, 2-first clamping component, 201-first cylinder, 202-first connecting rod, 203-first telescopic rod, 204-U type lock block, 205-first antiskid pad, 3-second clamping component, 301-second cylinder, 302-second connecting rod, 303-wedge-shaped movable block, 304-connecting hole, 305-wedge-shaped lock block, 306-limiting column, 307-sleeve, 308-first spring, 309-fixed block, 310-second antiskid pad, 311-second telescopic rod, 4-top-up mechanism, 401-supporting disc, 402-sliding column, 403-second limiting ring, 404-cylindrical recess, 405-second spring. Specific implementation

[0029] In order to make the technical scheme in the present application more comprehensible to those skilled in the art, the technical scheme in the present application will be described clearly and completely in conjunction with the accompanying drawings of the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, but not all the embodiments. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative work should belong to the scope of protection of the present application.

[0030] As shown in Figure 1 and Figure 2 , a kind of quick clamping plate fixture in an embodiment of the present application, including base 1, the side end surface of base 1 is provided with multiple first pressing holes 101 and multiple second pressing holes 102, multiple first pressing holes 101 are all located in the clamping plate area, the side end surface of base 1 is equipped with multiple first clamping components 2 matched with first pressing hole 101, first clamping component 2 extends to the other side end surface of base 1 from the inside of the side wall of first pressing hole 101, when clamping plate, first clamping component 2 is located in the projection range of plate, first clamping component 2 passes through the hole in plate after being set, and the plate is pressed from the upper part, and the plate is pressed on base 1, when processing, plate can not be displaced perpendicular to the direction of base 1, and frictional resistance is generated between plate, to prevent plate from being displaced parallel to base 1.

[0031] As shown in Figure 3As shown, the first clamping assembly 2 comprises a first cylinder 201 mounted on the base 1, which is used in the same way as the cylinder disclosed in the utility model patent with publication number CN214213022U in the background art. The push rod end of the first cylinder 201 is welded with a first connecting rod 202, which passes through the side wall of the first pressing hole 101. The side end face of the first connecting rod 202 is threadedly connected with a first telescopic rod 203. When clamping the plate, the first telescopic rod 203 extends out of the plate through the hole previously opened in the plate. The first telescopic rod 203 is an internal hexagonal screw rod, and the first connecting rod 202 is provided with an internal thread. The first telescopic rod 203 is threadedly connected to the first connecting rod 202. According to the thickness of the clamped plate, different lengths of the first telescopic rod 203 can be replaced, thereby expanding the application range of the clamp. The side wall of the first telescopic rod 203 is clamped with a U-shaped lock block 204, the outer diameter of the U-shaped lock block 204 is larger than the outer diameter of the bolt head of the first telescopic rod 203, and the opening distance of the U-shaped lock block 204 is consistent with the outer diameter of the screw rod of the first telescopic rod 203. When clamping the plate, the outer diameter of the bolt head of the first telescopic rod 203 is small enough to pass through the hole previously opened in the plate. At this time, the U-shaped lock block 204 is clamped on the screw rod of the first telescopic rod 203. Since the outer diameter of the U-shaped lock block 204 is large, it can completely cover the hole previously opened in the plate. The push rod of the first cylinder 201 is retracted, driving the first telescopic rod 203 to retract, and the bolt head of the first telescopic rod 203 is pressed onto the U-shaped lock block 204. The U-shaped lock block 204 is in close contact with the plate, thereby fixing the plate to the base 1.

[0032] Preferably, the end face of the U-shaped lock block 204 in contact with the plate is pasted with a first anti-slip pad 205. The first anti-slip pad 205 in contact with the plate can increase the frictional resistance between the U-shaped lock block 204 and the plate, and the other side can also prevent the U-shaped lock block 204 from scratching the plate.

[0033] A plurality of second pressing holes 102 are distributed outside the clamped plate area. A plurality of second clamping assemblies 3 matched with the second pressing holes 102 are installed on one side end face of the base 1. The second clamping assemblies 3 pass through the side wall of the second pressing hole 102 and extend to the other side end face of the base 1. When clamping the plate, the second clamping assemblies 3 are distributed around the plate. The plurality of second clamping assemblies 3 simultaneously press the plate in multiple directions, thereby preventing the plate from sliding on the base 1.

[0034] As Figure 4As shown, the second clamping assembly 3 comprises a second cylinder 301 mounted on one side of the base 1, and the use mode of the second cylinder 301 is the same as that of the cylinder used in the utility model patent with publication number CN214213022U in the background art. The second clamping assembly 3 further comprises a wedge-shaped locking block 305 slidingly connected in the side wall of the second pressing hole 102. The end of the push rod of the second cylinder 301 is integrally formed with a second connecting rod 302, and the second connecting rod 302 is provided with a wedge-shaped movable block 303. A connecting hole 304 is formed in one side of the wedge-shaped movable block 303, and a second telescopic rod 311 is inserted into the side wall of the connecting hole 304 and is screwed onto the second connecting rod 302, so that the wedge-shaped movable block 303 and the push rod of the second cylinder 301 are fixed together, and the second cylinder 301 can push the wedge-shaped movable block 303 to slide up and down. Due to the cooperation of the side surfaces of the wedge-shaped movable block 303 and the wedge-shaped locking block 305, when the wedge-shaped movable block 303 slides up and down, it can push the wedge-shaped locking block 305 to slide in the side wall of the second pressing hole 102, so that the wedge-shaped locking block 305 slides towards the board, thereby pressing the board.

[0035] A plurality of limiting grooves 104 are formed in one side of the base 1, and the limiting grooves 104 are located in the clamping board area and communicate with the second pressing hole 102. The limiting grooves 104 are located in the sliding direction of the wedge-shaped locking block 305. A sleeve 307 is welded in the side wall of the limiting groove 104, and a first spring 308 is slidingly connected in the sleeve 307. One end of the first spring 308 abuts against the side wall of the limiting groove 104, and the other end abuts against one side of the wedge-shaped locking block 305. When the board needs to be fixed, the second cylinder 301 is retracted, the wedge-shaped movable block 303 presses the wedge-shaped locking block 305, the wedge-shaped locking block 305 slides and presses the board, and the first spring 308 is compressed. When the board is released, the push rod of the second cylinder 301 pushes the wedge-shaped movable block 303 to move upwards, the wedge-shaped movable block 303 no longer presses the wedge-shaped locking block 305, and at this time the wedge-shaped locking block 305 slides under the push of the first spring 308 and moves away from the board, thereby the board can be quickly removed.

[0036] A limiting column 306 is welded on one side of the wedge-shaped locking block 305, and the limiting column 306 slides in the sleeve 307, and the first spring 308 is sleeved outside the limiting column 306, so that when the wedge-shaped locking block 305 slides, it remains stable and does not displace perpendicular to the base 1.

[0037] A second anti-skid pad 310 is attached to one side of the wedge-shaped locking block 305 which contacts the board, and the second anti-skid pad 310 can increase the frictional resistance between the wedge-shaped locking block 305 and the board, further reducing the possibility of displacement of the board, and the second anti-skid pad 310 can also protect the board from being bumped.

[0038] The first clamping assembly 2 can clamp the plate in the direction perpendicular to the base 1, and prevent the plate from moving in the direction perpendicular to the base 1; the second clamping assembly 3 can limit the possibility of the plate moving in the direction parallel to the base 1; the first clamping assembly 2 and the second clamping assembly 3 cooperate to limit the possibility of the plate moving during processing, thereby fixing the plate.

[0039] As shown in Figure 5 , Figure 6 and Figure 7 , the base 1 is provided with a plurality of convex grooves 103 on one side surface, the convex grooves 103 are located in the clamping area of the plate, and the side wall of the convex groove 103 is slidably connected with a jacking mechanism 4; when the plate needs to be removed after processing, the first clamping assembly 2 and the second clamping assembly 3 are loosened, and the jacking mechanism 4 can lift the plate to separate the plate from the surface of the base 1, thereby facilitating the removal of the plate.

[0040] The jacking mechanism 4 comprises a supporting disc 401, which is slidably arranged in the side wall of the convex groove 103; the supporting disc 401 is welded with a sliding column 402 on one side surface; the sliding column 402 is provided with a cylindrical groove 404 on one side surface; the side wall of the cylindrical groove 404 is slidably connected with a second spring 405; when the plate is clamped, the supporting disc 401 is retracted in the convex groove 103, and the supporting disc 401 is in the same plane with the upper surface of the base 1, which does not affect the fixation of the plate; at this time, the second spring 405 is in a compressed state; when the plate needs to be removed, the second spring 405 pops up the sliding column 402, and drives the supporting disc 401, thereby lifting the plate and separating it from the base 1.

[0041] The side wall of the convex groove 103 is welded with a first limiting ring 105, and the lower end of the sliding column 402 is integrally formed with a second limiting ring 403, which matches with the first limiting ring 105, thereby limiting the sliding range of the sliding column 402, and preventing the sliding column 402 from sliding out of the side wall of the convex groove 103.

[0042] Preferably, the end surface of the supporting disc 401 in contact with the plate is provided with anti-skid lines, which can prevent the plate from sliding when lifting the plate.

[0043] In use, as shown in Figure 1As shown, when feeding, first place the plate on the base 1, the first telescopic rod 203 passes through the pre-set hole of the plate, the U-shaped lock block 204 is sleeved on the first telescopic rod 203, the first cylinder 201 is started, the first telescopic rod 203 is pressed down to drive the U-shaped lock block 204 to press on the plate, at the same time, the second cylinder 301 is started, the downward pressing wedge-shaped movable block 303 pushes the wedge-shaped lock block 305 to slide, so that the wedge-shaped lock block 305 is pressed tightly on the side wall of the plate, thereby limiting the displacement of the plate in the direction perpendicular to the base 1 and the displacement parallel to the plane of the base 1, and finally fixing the plate on the tool fixture; after processing, when discharging, the first cylinder 201 and the second cylinder 301 move upward, so that the first telescopic rod 203 does not contact the U-shaped lock block 204, the wedge-shaped movable block 303 no longer extrudes the wedge-shaped lock block 305, then the U-shaped lock block 204 can be taken away, at this time the supporting disc 401 is bounced up to support the plate, so that the processed plate can be unloaded. The quick clamping plate fixture can firmly fix the product on the machine table, thereby realizing the processing of complex products, and after fixing the product, manual operation is not required, the processing safety is ensured, and compared with the reciprocating motion mechanism of the motor and the lead screw, the structure of the cylinder is simple, the cost is low, and the cylinder is easy to maintain.

[0044] It is apparent for those skilled in the art that the present application is not limited to the details of the above-described exemplary embodiments, and the present application can be implemented in other concrete forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be considered in all aspects as illustrative and not restrictive, and the scope of the present application is defined by the appended claims rather than the above description, and it is intended to encompass all changes falling within the meaning and range of equivalents of the elements of the claims. Any reference signs in the claims should not be considered as limiting the claims to which they belong.

[0045] In addition, it should be understood that, although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description manner of the specification is only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be properly combined to form other embodiments that those skilled in the art can understand.

Claims

1. A quick-clamping fixture for sheet metal, characterized in that, include: The base has a plurality of first clamping holes and a plurality of second clamping holes on one side end face. The plurality of first clamping holes are all located in the area where the plate is clamped, and the plurality of second clamping holes are distributed outside the area where the plate is clamped. A first clamping assembly is fixedly connected to one side end face of the base, and extends from the side wall of the first clamping hole to the other side end face of the base. The second clamping assembly is fixedly connected to one side end face of the base, and extends through the side wall of the second clamping hole to the other side end face of the base.

2. The quick-clamping fixture for sheet metal according to claim 1, characterized in that, The first clamping assembly includes a first cylinder, which is fixedly connected to the base. A first connecting rod is fixedly connected to the end of the push rod of the first cylinder. A first telescopic rod is fixedly connected to one end face of the first connecting rod. A U-shaped locking block is engaged with the side wall of the first telescopic rod.

3. A quick-clamping fixture for sheet metal according to claim 2, characterized in that, The first telescopic rod is an internal hexagonal screw, and the first connecting rod has an internal thread. The first telescopic rod is threaded onto the first connecting rod.

4. The quick-clamping fixture for sheet metal according to claim 3, characterized in that, The end face of the U-shaped locking block that contacts the plate is covered with a first anti-slip pad.

5. A quick-clamping fixture for sheet metal according to claim 1, characterized in that, The second clamping assembly includes a second cylinder and a wedge-shaped locking block. The second cylinder is fixedly connected to one side end face of the base, and the wedge-shaped locking block is slidably connected to the side wall of the second pressing hole. The push rod end of the second cylinder is fixedly connected to a wedge-shaped movable block that matches the wedge-shaped locking block.

6. A quick-clamping fixture for sheet metal according to claim 5, characterized in that, The base has multiple limiting grooves on one side end face, and a sleeve is fixedly connected inside the side wall of the limiting groove. A first spring is slidably connected inside the sleeve.

7. A quick-clamping fixture for sheet metal according to claim 6, characterized in that, One end face of the wedge-shaped locking block is fixedly connected to a limiting post that matches the sleeve.

8. A quick-clamping fixture for sheet metal according to claim 7, characterized in that, A second anti-slip pad is attached to one end face of the wedge-shaped locking block.

9. A quick-clamping fixture for sheet metal according to any one of claims 1 to 8, characterized in that, The base has multiple convex grooves on one side end face, and a lifting mechanism is slidably connected inside the side wall of the convex groove.

10. A quick-clamping fixture for sheet metal according to claim 9, characterized in that, The lifting mechanism includes a support disc that slides within the sidewall of a convex groove. A sliding column is fixedly connected to one end face of the support disc. A cylindrical groove is formed on one end face of the sliding column, and a second spring is slidably connected within the sidewall of the cylindrical groove.

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