Anti-climbing side pressure device

Abstract

The utility model provides an anti-climbing side pressure device. The anti-climbing side pressing device is used for clamping a workpiece from the side face of the workpiece, the workpiece is placed on the workbench, and the anti-climbing side pressing device comprises a fixing piece used for being fixedly installed on the workbench, a sliding pressing piece used for pressing the workpiece and a fastening part. The sliding pressing piece is arranged above the fixing piece, and the fastening part is used for pressing the sliding pressing piece downwards; the sliding pressing piece is provided with a sliding part, and the fixing piece is provided with a sliding matching part. When the fastening part presses the sliding pressing piece downwards, the sliding part is in sliding fit with the sliding fit part, component force enabling the sliding pressing piece to slide towards the workpiece is generated on the sliding pressing piece, and then the sliding pressing piece can abut against the workpiece to generate pressing force acting on the workpiece. According to the anti-climbing side pressure device, the workpiece can be clamped from the side face, and the clamping stability is enhanced.

Description

Technical Field

[0001] The utility model relates to the technical field of mechanical processing, in particular to an anti-climbing side pressure device. Background Art

[0002] At present, the mechanical processing plane generally needs secondary clamping: that is, the pressure plate is pressed on the four corners of the plane, the plane other than the four corners (where the pressure plate is clamped) is milled, and then the pressure plate is clamped on the processed plane, the pressure plate on the four corners is removed, and then the plane of the four corners is processed. Alternatively, auxiliary clamping is used: that is, a welding process clamping lap is added to the workpiece, and the pressure plate is pressed on the process lap during clamping, and the process lap is removed and the weld scar is polished after processing.

[0003] However, the above existing mechanical processing methods waste manpower, material resources and resources. Due to the secondary clamping, the plane is prone to steps, the flatness cannot be guaranteed, and the product quality is affected. Utility Model Content

[0004] The utility model aims to provide an anti-climbing side pressure device, which can clamp the workpiece from the side, avoid interference between the clamping plane and the processing plane, complete the processing of the plane in one go, and improve product quality.

[0005] One aspect of the utility model provides an anti-climbing side pressure device, which is used to clamp a workpiece from the side of the workpiece, and the workpiece is placed on a workbench. The anti-climbing side pressure device includes a fixing part for being fixedly installed on the workbench, a sliding pressing part for pressing the workpiece, and a fastening part; the sliding pressing part is arranged above the fixing part, and the fastening part is used to press the sliding pressing part downward; the sliding pressing part has a sliding part, and when the fastening part presses the sliding pressing part downward, the sliding part slidably cooperates with the sliding matching part, and a component force is generated on the pressing part to make the pressing part slide toward the workpiece, thereby enabling the sliding pressing part to resist the workpiece to generate a clamping force acting on the workpiece.

[0006] In one embodiment, one of the sliding portion and the sliding fitting portion is a grooved portion, and the other is a raised portion, and both the grooved portion and the raised portion are inclined from top to bottom toward the proximal end of the anti-climbing side pressure device, and the grooved portion and the raised portion are slidingly fitted so that the sliding pressing member slides toward the workpiece when being pressed downward by the fastening portion.

[0007] In one embodiment, the fixing member includes a fixed base plate for being fixedly mounted on a workbench and an adjustable backing portion arranged on the fixed base plate, and the sliding fitting portion is arranged on the side of the adjustable backing portion facing the proximal end of the anti-climbing side pressure device; the adjustable backing portion is detachably mounted on the fixed base plate, and is used to adjust the distance between the fastening portion and the workpiece before the fastening portion presses the sliding pressing member downward.

[0008] In one embodiment, a clamping portion is provided on the lower surface of the adjustable backing portion, and a clamping fitting portion opposite to the clamping portion is provided on the upper surface of the fixed base plate; the clamping portion is clamped to the clamping fitting portion to provide support for the sliding clamping member.

[0009] In one embodiment, the clamping portion includes at least one serrated protrusion protruding downward, and the clamping fitting portion includes at least one serrated protrusion protruding upward; the serrated protrusion of the clamping portion is inclined toward the proximal end of the anti-climbing side pressure device and is opposite to the direction of the serrated protrusion of the clamping fitting portion, and the reverse force generated when the sliding pressing member presses the workpiece causes the clamping portion and the clamping fitting portion to contact and tightly engage.

[0010] In one embodiment, it further comprises an elastic support structure for providing a gap for the sliding pressing member to press against the fixing member, and the sliding pressing member has a countersunk portion for accommodating the elastic support structure;

[0011] The elastic support structure includes a support member, an elastic member and a limit member which are sequentially accommodated in the countersunk portion from bottom to top, and the limit member is used to lock the support member and the elastic member in the countersunk portion; one end of the elastic member abuts against the support member, so that at least part of the support member is exposed from the lower end of the countersunk portion and abuts against the fixing member to provide the gap.

[0012] In one embodiment, the fixing member and the sliding pressing member are both provided with a mounting portion; the fastening portion can be mounted in the mounting portion, and the fastening portion and the sliding pressing member abut against each other to press the sliding pressing member downward.

[0013] In one embodiment, the mounting portion is a waist-shaped hole that passes through from top to bottom, and the fastening portion includes a fastening bolt, a flat washer and a fastening nut; the screw portion of the fastening bolt can pass through the flat washer, the waist-shaped hole of the fixing member and the waist-shaped hole of the sliding pressing member, and be threadedly connected with the fastening nut so that the screw head portion of the fastening bolt is abutted against the sliding pressing member, and the sliding pressing member presses the workpiece by the fastening effect generated by the fastening bolt and the fastening nut.

[0014] In one embodiment, the fastening nut is a convex nut, and the longitudinal cross-sectional shape of the convex nut is adapted to the T-slot of the workbench; and / or the lower surface of the fixing member is provided with a positioning protrusion adapted to the T-slot of the workbench, and the extension direction of the positioning protrusion is consistent with the extension direction of the T-slot of the workbench; and / or when the installation direction of the fixing member is consistent with the extension direction of the T-slot of the workbench, the fixing member is also provided with a limiting hole portion for installing a limiting structure, and the limiting structure can pass through the limiting hole portion to be fixedly connected to the T-slot of the workbench.

[0015] In one embodiment, the sliding pressing member has a pressing portion disposed on a side of the sliding pressing member facing the workpiece, and the pressing portion has at least one sawtooth protrusion; the sawtooth protrusion of the pressing portion is directed downward.

[0016] The anti-climbing side pressure device provided by the utility model utilizes the pre-tightening force generated by the fastening part to press the sliding pressing part downward. Through the sliding cooperation of the sliding pressing part and the fixing part, the sliding pressing part slides toward the workpiece, ensuring that the side of the workpiece is pressed by the sliding pressing part to prevent the workpiece from creeping. The plane can be processed in one time to solve the interference between the processing plane and the clamping plane, reduce secondary clamping or auxiliary clamping, greatly improve production efficiency, enhance product quality, and improve the safety and stability of clamping. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The above and other features, properties and advantages of the present invention will become more apparent through the following description in conjunction with the accompanying drawings and embodiments, in which:

[0018] Figure 1 It is a schematic diagram of an embodiment of an anti-climbing side pressure device according to the utility model;

[0019] Figure 2 yes Figure 1 A side view of the anti-climbing side pressure device;

[0020] Figure 3 yes Figure 1 A side view of a sliding pressing member of an anti-climbing side pressure device;

[0021] Figure 4 yes Figure 3 The enlarged schematic diagram of point A in the middle;

[0022] Figure 5 yes Figure 3 A bottom view of the sliding pressing member in FIG.

[0023] Figure 6 yes Figure 1 A side view of the adjustment support portion of the anti-climb side pressure device;

[0024] Figure 7 yes Figure 6 A front view of the adjustable backrest portion;

[0025] Figure 8 yes Figure 1 A side view of an embodiment of a fixed base plate of an anti-climbing side pressure device;

[0026] Fig. 9 yes Figure 8 A bottom view of the fixed base plate in FIG.

[0027] Fig.10 is a schematic diagram of another embodiment of the anti-climbing side pressure device according to the utility model;

[0028] Fig.11 yes Fig.10 A side view of an embodiment of a fixed base plate of an anti-climbing side pressure device;

[0029] Fig.12 yes Fig.11 Bottom view of the fixed base plate in. DETAILED DESCRIPTION

[0030] Reference will now be made in detail to embodiments of the present invention, one or more examples of which are shown in the accompanying drawings. Each example is provided to explain the present invention, rather than to limit the present invention. In fact, it will be apparent to those skilled in the art that various modifications and variations may be made in the present invention without departing from the scope or spirit of the present invention. For example, a feature shown or described as part of one embodiment may be used together with another embodiment to produce yet another embodiment. Therefore, the present invention is intended to cover these modifications and variations that fall within the scope of the appended claims and their equivalents.

[0031] As used herein, the terms "upper" and "lower" represent spatial relationships to describe the relationship between an element or feature shown in the drawings and other elements or features, and are referenced to the placement of the anti-climb side pressure device as shown in the drawings for ease of description, however, the state may change, therefore, these spatial relationship words are intended to include other directions of the elements or components in use or operation other than the directions depicted in the drawings. The terms "proximal" and "distal" represent the position of the anti-climb side pressure device relative to the workpiece.

[0032] Figure 1 and Figure 2The structure of an embodiment of an anti-climbing side pressure device 10 of the utility model is shown. The anti-climbing side pressure device 10 provided by the utility model is used to clamp a workpiece (not shown) from the side of the workpiece, and the workpiece is placed on a workbench. The anti-climbing side pressure device 10 of this embodiment is suitable for CNC gantry boring and milling processing, large gantry planers, and plane processing clamping of steel plates in machining centers in the mechanical processing industry. The above-mentioned workbench is a machine tool workbench, which is a platform or surface used to clamp and support workpieces on a machine tool, usually located in the working area of ​​the machine tool, and is used to place the workpiece to be processed and fix it in an appropriate position to perform various processing operations.

[0033] exist Figure 1 and Figure 2 In the embodiment of the anti-climbing side pressure device 10 shown, the anti-climbing side pressure device 10 includes a fixing member for fixing on a workbench, a sliding pressing member 200 for pressing a workpiece, and a fastening portion. The sliding pressing member 200 is arranged above the fixing member, and the fastening portion is used to press the sliding pressing member 200 downward. The sliding pressing member 200 has a sliding portion 210, and the fixing member has a sliding matching portion 110.

[0034] When the fastening part presses the sliding pressing member 200 downward, the sliding part 210 slides with the sliding matching part 110, generating a component force on the sliding pressing member 200 that causes the sliding pressing member 200 to slide toward the workpiece, thereby enabling the sliding pressing member 200 to resist the workpiece to generate a clamping force acting on the workpiece.

[0035] The anti-climbing side pressure device 10 provided by the utility model uses the pre-tightening force generated by the fastening part to press the sliding pressing member 200 downward, and through the sliding cooperation between the sliding pressing member 200 and the fixing member, the sliding pressing member 200 slides toward the workpiece, ensuring that the side of the workpiece is pressed by the sliding pressing member 200 to prevent the workpiece from creeping. The plane can be processed in one go to solve the interference between the processing plane and the clamping plane, reduce secondary clamping or auxiliary clamping, improve production efficiency, enhance product quality, and improve the safety and stability of clamping.

[0036] In one embodiment, if Figure 1 As shown, the anti-climbing side pressure device 10 includes a proximal end 11 and a distal end 12, wherein the proximal end 11 can be understood as an end of the anti-climbing side pressure device 10 closer to the workpiece relative to the distal end 12. Figure 2In the embodiment shown, the right side is the proximal end 11, and the sliding clamping member 200 is close to the proximal end 11 of the anti-climbing side pressure device 10. During the actual clamping process, the workpiece is clamped on the right side. In this embodiment, one of the sliding portion 210 and the sliding matching portion 110 is a slotted portion, and the other is a raised portion. Both the slotted portion and the raised portion are inclined from top to bottom toward the proximal end 11 of the anti-climbing side pressure device 10, so that the sliding clamping member 200 can slide toward the workpiece when it is pressed downward. The raised portion is received by the slotted portion, and the slotted portion and the raised portion are slidably matched, so that the sliding clamping member 200 slides toward the workpiece when it is pressed downward by the fastening portion.

[0037] Figure 3 2 shows a side view of the sliding pressing member 200. In a specific embodiment, the sliding portion 210 is a protruding portion 211, and the sliding matching portion 110 is a groove portion of the adjusting backing portion 130. Figure 1 and Figure 2 The protrusion 211 of the sliding pressing member 200 and the groove portion of the adjusting backing portion 130 are opposite to each other. The protrusion 211 is located at Figure 3 The left side of the sliding clamping member 200 is shown in FIG. The shape and width of the protrusion 211 and the slotted portion match, so that when the sliding clamping member 200 is pressed downward, it will only have a tendency to move toward the workpiece and will not move in other directions, thereby improving the clamping efficiency and accuracy. In another specific embodiment, the sliding matching portion 110 is a protrusion and the sliding portion 210 is a slotted portion, which can also achieve the above effect.

[0038] In one embodiment, the sliding pressing member 200 has a pressing portion 240 disposed on the side of the sliding pressing member 200 facing the workpiece. Figure 2 and Figure 3 The pressing portion 240 is located at the proximal end 11 of the anti-climbing side pressure device 10, that is, Figure 2 and Figure 3 The right side of the anti-climbing side pressure device 10. The sliding pressing member 200 is against the workpiece through the pressing portion 240. Figure 4 Shows Figure 3 In the enlarged view of the center A, the clamping portion 240 has at least one serrated protrusion 241. Compared with a clamping portion with a smooth surface, the serrated protrusion 241 can reduce the contact area between the sliding clamping member 200 and the workpiece, and the protruding teeth can even penetrate into the surface of the workpiece, thereby increasing the effect of friction. The workpiece needs to overcome a large friction force to crawl. The direction of the serrated protrusion 241 of the clamping portion 240 can be selected to face downward, making it more difficult for the workpiece to slide relative to each other, achieving a better anti-climbing effect.

[0039] like Figure 2 and Figure 3As shown, in one embodiment, the anti-climbing side pressure device 10 also includes an elastic support structure 400 for providing a gap 500 for the sliding pressing member 200 to be pressed against the fixed base plate 120, and the sliding pressing member 200 has a countersunk portion 220 for accommodating the elastic support structure 400. Figure 5 The bottom view of the sliding clamp 200 is shown, and the countersunk hole portion 220 is close to the proximal end 11 of the anti-climbing side pressure device 10, that is, located at Figure 2 and Figure 3 In the present embodiment, the elastic support structure 400 further includes a support member 410, an elastic member 420 and a limit member 430 which are sequentially accommodated in the countersunk portion 220 from bottom to top. The support member 410 may be a steel ball (for clarity, the following figure numeral 410 represents a steel ball), and the limit member 430 may be a hexagon socket screw. Among them, the limit member 430 is located above the steel ball 410 and the elastic member 420, and is used to lock the steel ball 410 and the elastic member 420 in the countersunk portion 220. One end of the elastic member 420 abuts against the steel ball 410, so that at least a portion of the steel ball 410 is exposed from the lower end of the countersunk portion 220 to abut against the fixed base plate 120 to provide a gap 500. The counterbore portion 220 passes through the sliding pressing member 200 from top to bottom, and a stepped hole 221 is provided at the bottom of the counterbore portion 220. The diameter of the stepped hole 221 is smaller than the diameter of the steel ball 410, and the diameter difference can be selected to be 1.5 mm, so as to ensure that the steel ball 410 does not fall off in the counterbore portion 220. The bottom of the stepped hole 221 is provided with an arc that contracts axially toward the counterbore portion 220, and the size of the arc is adapted to the size of the arc of the steel ball 410. The upper end of the counterbore portion 220 is provided with a thread, and the diameter is adapted to the size of the stopper 430.

[0040] When the fastening part does not apply pre-tightening force to the sliding pressing member 200, the steel ball 410 abuts against the arc of the bottom of the step hole 221 of the countersunk part 220 under the elastic force of the elastic member 420, and the bottom of the steel ball 410 is located outside the countersunk part 220 and abuts against the upper end surface of the fixed bottom plate 120 to provide a gap 500 between the sliding pressing member 200 and the fixed bottom plate 120. The above gap 500 is the distance that the sliding pressing member 200 can be pressed down, that is, the movement stroke of the sliding pressing member 200. If the above gap is eliminated, the sliding action of the sliding pressing member 200 cannot be achieved. When the fastening part applies a pre-tightening force to the sliding clamping member 200, the steel ball 410 is squeezed upward by the fixed member, the elastic member 420 is compressed, the steel ball 410 can move upward, and the gap 500 between the fixed base plate 120 and the sliding clamping member 200 is reduced until the lower end surface of the sliding clamping member 200 abuts against the upper surface of the fixed base plate 120, and the steel ball 410 is completely received by the countersunk portion 220, and the sliding clamping member 200 can no longer slide relative to the fixed base plate 120.

[0041] Figure 6 and Figure 7The structural schematic diagram of the adjustable backing part 130 is shown. In one embodiment, the adjustable backing part 130 is arranged on the fixed base plate 120, and the side of the adjustable backing part 130 facing the proximal end 11 of the anti-climbing side pressure device 10 is provided with a sliding fitting part 110. The adjustable backing part 130 is detachably mounted on the fixed base plate 120, and is used to adjust the distance between the fastening part and the workpiece before the fastening part presses the sliding clamping member 200 downward. According to the position of the workpiece on the workbench and the distance between the workpiece and the anti-climbing side pressure device 10, by changing the position of the adjustable backing part 130 relative to the fixed base plate 120, the gap between the sliding clamping member 200 and the workpiece, that is, the distance between the clamping part 240 and one side of the workpiece is adjusted forward and backward to ensure that the gap between the sliding clamping member 200 and the workpiece is within an appropriate range, and the sliding distance of the sliding clamping member 200 is appropriate, which is conducive to improving the clamping efficiency.

[0042] exist Figure 6 and Figure 7 In the illustrated embodiment, the sliding fitting portion 110 is a slotted portion 132. The bottom of the slotted portion 132 of the adjusting backing portion 130 is an inclined surface, and the slope ratio of the inclined surface is the same as the slope ratio of the sliding portion 210 of the sliding pressing member 200. The adjusting backing portion 130 is also provided with limiting steps 133 located on both sides of the slotted portion 132 to ensure the sliding direction of the sliding portion 210 in the slotted portion 132.

[0043] refer to Figure 6 In one embodiment, a clamping portion 131 is disposed on the lower surface of the adjusting backing portion 130 . Figure 8 and Fig. 9 The structure of an embodiment of the fixed base plate 120 is shown, combined with Figure 1 and Figure 2 , the upper surface of the fixed base plate 120 is provided with a snap-fitting portion 121 opposite to the snap-fitting portion 131. The snap-fitting portion 131 is snap-fitted to the snap-fitting portion 121 to provide support for the sliding clamping member 200. When the clamping portion 240 of the sliding clamping member 200 abuts against the workpiece and continues to slide toward the workpiece, the workpiece generates a force acting on the sliding clamping member 200 in the opposite direction of the movement of the sliding clamping member 200, so that the sliding clamping member 200 will move in a direction away from the workpiece, that is, the tendency of the distal end 12 to move. Through the coordinated cooperation of the snap-fitting portion 131 and the snap-fitting portion 121, a more stable support effect can be provided for the sliding clamping member 200.

[0044] In one embodiment, the clamping portion 131 includes at least one serrated protrusion 131a protruding downward, and the clamping fitting portion 121 includes at least one serrated protrusion 121a protruding upward. The serrated protrusion 131a of the clamping portion 131 is inclined toward the proximal end 11 of the anti-climbing side pressure device 10, and is opposite to the direction of the serrated protrusion 121a of the clamping fitting portion 121. The reverse force generated when the sliding clamping member 200 clamps the workpiece causes the clamping portion 131 and the clamping fitting portion 121 to contact and tightly engage. The serrated protrusion 131a of the clamping portion 131 and the serrated protrusion 121a of the clamping fitting portion 121 have the same size and modulus, but are opposite in direction. Figure 6 As shown, the direction of the serrated protrusion 131a of the backing portion 130 is adjusted to be the opposite direction of clamping the workpiece, that is, Figure 6 The left side is tilted.

[0045] refer to Figure 5 and Fig. 9 In one embodiment, both the fixed base plate 120 and the sliding pressing member 200 are provided with a mounting portion. Figure 1 and Figure 2 The fastening part can be installed in the mounting part 122 of the fixed base plate 120 and the mounting part 230 of the sliding pressing member 200, and the fastening part and the sliding pressing member 200 are against each other to press the sliding pressing member 200 downward. In a specific embodiment, the mounting part is a waist-shaped hole that passes through from top to bottom (for clear expression, the following figure numbers 122 and 230 represent waist-shaped holes), and the fastening part includes a fastening bolt 310, a flat washer 330 and a convex nut 320. Figure 2 As shown, the screw rod portion of the fastening bolt 310 can pass through the flat washer 330, the waist-shaped hole 230 of the sliding clamp 200 and the waist-shaped hole 122 of the fixed base plate 120, and is threadedly connected with the threaded hole on the convex nut 320, so that the flat washer 330 under the screw head portion of the fastening bolt 310 abuts against the sliding clamp 200, and the sliding clamp 200 presses the workpiece by the fastening effect generated by the fastening bolt 310 and the convex nut 320. The size and shape of the waist-shaped hole 122 of the fixed base plate 120 and the waist-shaped hole 230 of the sliding clamp 200 are adapted to the fastening bolt 310.

[0046] In one embodiment, the longitudinal cross-sectional shape of the convex nut 320 is adapted to the T-slot of the workbench, and the convex nut 320 can be installed in the T-slot, and the upper end surface of the convex nut 320 abuts against the notch of the T-slot. Compared with ordinary nuts, the convex nut 320 can more effectively prevent loosening or rotation due to force in the T-slot, so that the fixed base plate 120 and the sliding clamp 200 are more firmly fixed on the workbench, and the installation space can be saved.

[0047] In one embodiment, the lower surface of the fixed base plate 120 is provided with a positioning protrusion 123 adapted to the T-slot of the workbench, the extending direction of the positioning protrusion 123 is consistent with the extending direction of the T-slot of the workbench, and the positioning protrusion 123 is installed in the notch of the T-slot of the workbench. Figure 1 and Figure 2 The positioning protrusion 123 is located at the distal end 12 of the anti-climbing side pressure device 10. Compared with the fastening part, the positioning protrusion 123 is farther away from the workpiece, which can improve the installation stability of the fixed base plate 120 and the workbench.

[0048] In one embodiment, if Figure 2 As shown, the right side length of the fixed base plate 120 can exceed the right side length of the sliding clamping member 200, and the excess part can be used as an equal height pad for the workpiece; it can also be slightly shorter than the right side length of the sliding clamping member 200 (the clamping part 240, i.e., the contact surface with the workpiece), and can be selected according to the thickness of the workpiece and professional technicians.

[0049] Considering the different directions of the T-slots of the worktable when clamping the workpiece, the types of the fixed base plate 120 are also different. Figure 8 and Fig. 9 In a specific embodiment, the positioning protrusion 123 of the fixed base plate 120 is longitudinal (hereinafter referred to as the longitudinal positioning protrusion 123 for clarity). When the T-slot of the worktable is parallel to the clamping surface of the workpiece, the fixed base plate 120 with the longitudinal positioning protrusion 123 is used. The longitudinal positioning protrusion 123 and the convex nut 320 can be installed in different T-slots to achieve a better fixing effect. The extension direction of the longitudinal positioning protrusion 123 is Fig. 9 The distance from the center of the waist-shaped hole 122 of the fixed base plate 120 to the longitudinal positioning protrusion 123 is matched with the center distance of the T-slot on the workbench, ensuring that the positioning protrusion 123 can be installed in the T-slot.

[0050] Figures 10 to 12 The structure of another embodiment of the fixed base plate 120 of the anti-climbing side pressure device 10 of the utility model is shown. In another specific embodiment, the positioning protrusion 123 of the fixed base plate 120 is horizontal (hereinafter referred to as the horizontal positioning protrusion 123 for clarity). When the T-slot of the workbench is perpendicular to the clamping surface of the workpiece, the fixed base plate 120 with the horizontal positioning protrusion 123 is used. The horizontal positioning protrusion 123 and the convex nut 320 can be optionally installed in the same T-slot. The extension direction of the horizontal positioning protrusion 123 is Fig.11 and Fig.12Further, when the installation direction of the fixing member is consistent with the extension direction of the T-slot of the workbench, that is, when the positioning protrusion 123 is a horizontal positioning protrusion 123, the fixed base plate 120 is also provided with a limiting hole portion 124 for installing the limiting structure, and the limiting hole portion 124 is used to fix the fixed base plate 120. The limiting structure can pass through the limiting hole portion 124 to be fixedly connected to the T-slot of the workbench. Fig.11 As shown, the limiting hole portion 124 is close to the distal end 12 and is disposed at the position of the sawtooth protrusion of the snap-fitting portion 121 to further improve the fixing effect of the fixing base plate 120 .

[0051] Continue to refer Fig.11 The limiting hole portion 124 includes an upper step hole 124a and a lower step hole 124b, and the diameter of the upper step hole 124a is larger than the diameter of the lower step hole 124b. The lower step hole 124b is adapted to the nominal diameter of the limiting structure, and the upper step hole 124a is adapted to the head size of the limiting structure. The limiting structure is completely accommodated in the limiting hole portion 124, and the top of the limiting structure is lower than the root of the serrated protrusion of the fixed snap-fitting portion 121, so as not to affect the engagement of the serrated protrusion of the snap-fitting portion 131 of the adjusting backrest portion 130 with the serrated protrusion of the snap-fitting portion 121 of the fixed base. The limiting structure can be optionally a hexagon socket bolt.

[0052] The specific use process of the anti-climbing side pressure device 10 of the utility model is as follows:

[0053] First, the fixed base plate 120 is fixed on the workbench, and the positioning protrusion 123 of the fixed base plate 120 is installed in the notch of the T-slot of the workbench. The adjustable backing part 130 is installed on the upper surface of the fixed base plate 120, and the serrated protrusion 121a on the fixed base plate 120 is meshed with the serrated protrusion 131a on the adjustable backing part 130.

[0054] The sliding pressing member 200 is installed in the slotted portion 132 of the adjusting backing portion 130 and the upper surface of the fixed base plate 120. The fastening bolt 310 is installed in the hole of the flat washer 330, and is installed in the waist-shaped hole 230 of the sliding pressing member 200 and the waist-shaped hole 122 of the fixed base plate 120. The fastening bolt 310 is connected to the convex nut 320 to fasten the sliding pressing member 200.

[0055] According to the direction of the workpiece on the workbench and the T-slot of the workbench, select the fixed base plate 120 with the transverse positioning protrusion 123 or the fixed base plate 120 with the longitudinal positioning protrusion 123. When the fixed base plate 120 with the transverse positioning protrusion 123 is selected, the fixed base plate 120 with the transverse positioning protrusion 123 needs to be fixed on the workbench through the limiting structure through the limiting hole portion 124 near the distal end 12 to fix the fixed pressure plate.

[0056] In actual application, whether it is a fixed base plate 120 with a transverse positioning protrusion 123 or a fixed base plate 120 with a longitudinal positioning protrusion 123, two can be paired to press the opposite sides or corners of the workpiece sideways, so as to achieve a clamping effect on the workpiece. When in use, according to the distance between the sliding clamp 200 and the workpiece, the adjusting backing part 130 is translated out, and the gap between the sliding clamp 200 and the workpiece is adjusted forward and backward to ensure that the gap between the sliding clamp 200 and the workpiece is about 1mm-2mm, and then the fastening bolt 310 is tightened. When tightening the fastening bolt 310, the sliding clamp 200 will act on the slope on the adjusting backing part 130 and the sliding clamp 200, and the sliding clamp 200 will slide forward and downward to ensure that the workpiece is pressed tighter and tighter.

[0057] In addition, when tightening the bolt 310, it is necessary to tighten the opposite side or diagonally gradually, and never tighten one side and then the other side. After the two sides are pressed against each other, the pressing part 240 of the sliding pressing member 200 presses the workpiece tightly. Since the serrated protrusion of the pressing part 240 is directed downward, the creeping of the workpiece can be firmly controlled, achieving the effect of preventing the workpiece from creeping.

[0058] When in use, a little lubricating oil can be appropriately added to the contact surface between the upper surface of the sliding clamping member 200 and the flat pad 330 to reduce the friction between the flat pad and the sliding clamping member 200, and the clamping effect will be better.

[0059] The greater the preload force generated by the fastening part on the sliding clamp 200 and the adjustable backing part 130, the greater the distance that the sliding clamp 200 is pressed downward, and the greater the distance that the sliding clamp 200 slides toward the workpiece relative to the adjustable backing part 130, the greater the pressing force generated by the sliding clamp 200 on the workpiece, and thus the better the anti-climbing effect on the workpiece. Of course, it is also necessary to control the above-mentioned preload force and pressing force to avoid damaging the workpiece.

[0060] Considering that the serrated protrusion 241 of the clamping portion 240 of the anti-climbing side pressure device 10 of the present invention may damage the base material on the side of the workpiece when the pressure is high, the plane should be processed first and the clamped side should be processed later.

[0061] Although the utility model is disclosed as above with preferred embodiments, it is not intended to limit the utility model. Any person skilled in the art can make possible changes and modifications without departing from the spirit and scope of the utility model. Therefore, any modification, equivalent change and modification made to the above embodiments based on the technical essence of the utility model without departing from the content of the technical solution of the utility model shall fall within the protection scope defined by the claims of the utility model.

Claims

1. An anti-climbing side pressure device, used for clamping a workpiece from the side of the workpiece, the workpiece is placed on a workbench, characterized in that: The anti-climbing side pressure device comprises a fixing part for fixing on the workbench, a sliding pressing part for pressing the workpiece, and a fastening part; The sliding pressing member is arranged above the fixing member, and the fastening portion is used to press the sliding pressing member downward; The sliding pressing member has a sliding portion, and the fixing member has a sliding matching portion; When the fastening portion presses the sliding pressing member downward, the sliding portion and the sliding matching portion slide and match, generating a component force on the sliding pressing member that causes the sliding pressing member to slide toward the workpiece, thereby enabling the sliding pressing member to resist the workpiece to generate a clamping force acting on the workpiece.

2. The anti-climbing side pressure device according to claim 1, characterized in that: One of the sliding portion and the sliding fitting portion is a grooved portion, and the other is a raised portion. Both the grooved portion and the raised portion are inclined from top to bottom toward the proximal end of the anti-climbing side pressure device. The grooved portion and the raised portion are slidingly fitted so that the sliding pressing member slides toward the workpiece when being pressed downward by the fastening portion.

3. The anti-climbing side pressure device according to claim 1, characterized in that: The fixing member comprises a fixing base plate for fixing on the workbench and an adjusting backing portion arranged on the fixing base plate, and the sliding fitting portion is arranged on the side of the adjusting backing portion facing the proximal end of the anti-climbing side pressure device; The adjusting backing part is detachably mounted on the fixed bottom plate, and is used for adjusting the distance between the fastening part and the workpiece before the fastening part presses the sliding pressing member downward.

4. The anti-climbing side pressure device according to claim 3, characterized in that: The lower surface of the adjustable backing portion is provided with a clamping portion, and the upper surface of the fixed bottom plate is provided with a clamping matching portion opposite to the clamping portion; The clamping portion is clamped to the clamping matching portion to provide support for the sliding pressing member.

5. The anti-climbing side pressure device according to claim 4, characterized in that: The clamping portion includes at least one sawtooth protrusion protruding downward, and the clamping matching portion includes at least one sawtooth protrusion protruding upward; The serrated protrusion of the clamping part is inclined toward the proximal end of the anti-climbing side pressure device and is opposite to the direction of the serrated protrusion of the clamping fitting part. The reverse force generated when the sliding pressing part presses the workpiece makes the clamping part and the clamping fitting part contact and tightly engage.

6. The anti-climbing lateral pressure device according to claim 1, characterized in that: It also includes an elastic support structure for providing a gap for the sliding pressing member to press against the fixing member, and the sliding pressing member has a countersunk portion for accommodating the elastic support structure; The elastic support structure comprises a support member, an elastic member and a limit member which are sequentially accommodated in the countersunk portion from bottom to top, and the limit member is used to lock the support member and the elastic member in the countersunk portion; One end of the elastic member abuts against the support member, so that at least a portion of the support member is exposed from the lower end of the counterbore portion to abut against the fixing member to provide the gap.

7. The anti-climbing lateral pressure device according to claim 1, characterized in that: The fixing member and the sliding pressing member are both provided with a mounting portion; The fastening portion can be installed in the installation portion, and the fastening portion and the sliding pressing member abut against each other to press the sliding pressing member downward.

8. The anti-climbing lateral pressure device according to claim 7, characterized in that: The mounting portion is a waist-shaped hole that penetrates from top to bottom, and the fastening portion includes a fastening bolt, a flat washer and a fastening nut; The screw portion of the fastening bolt can pass through the flat washer, the waist-shaped hole of the fixing part and the waist-shaped hole of the sliding pressing part, and be threadedly connected to the fastening nut so that the screw head portion of the fastening bolt is abutted against the sliding pressing part, and the sliding pressing part presses the workpiece through the tightening effect generated by the fastening bolt and the fastening nut.

9. The anti-climbing lateral pressure device according to claim 8, characterized in that: The fastening nut is a convex nut, and the longitudinal cross-sectional shape of the convex nut is adapted to the T-slot of the workbench; and / or The lower surface of the fixing member is provided with a positioning protrusion matched with the T-slot of the workbench, and the extending direction of the positioning protrusion is consistent with the extending direction of the T-slot of the workbench; and / or When the installation direction of the fixing piece is consistent with the extension direction of the T-slot of the workbench, the fixing piece is also provided with a limiting hole portion for installing a limiting structure, and the limiting structure can pass through the limiting hole portion to be fixedly connected to the T-slot of the workbench.

10. The anti-climbing lateral pressure device according to claim 1, characterized in that: The sliding pressing member has a pressing portion arranged on the side of the sliding pressing member facing the workpiece, and the pressing portion has at least one sawtooth protrusion; The sawtooth-shaped protrusion of the pressing portion is directed downward.

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