Improved clamping device for bracket machining

Abstract

The utility model discloses an improved clamping device for bracket processing, which comprises a fixed bottom plate, two first clamping positions are arranged at the left part of the fixed bottom plate, and two second clamping positions are arranged at the right part of the fixed bottom plate; a front supporting block is fixed to the front portion of the middle of the top face of the fixed bottom plate at the first clamping position, a rear supporting block is fixed to the rear portion of the middle of the top face of the fixed bottom plate at the first clamping position, and two lever oil cylinders are fixed to the positions, on the left portion and the right portion in front of the front supporting block, of the top face of the fixed bottom plate. A lever oil cylinder is fixed to the position, behind the rear supporting block, of the top face of the fixed bottom plate. Two supports on the left portion and two supports on the right portion can be clamped at a time, namely, the two supports are clamped and fixed, meanwhile, during clamping, grinding of the end faces of the left end and the right end of the bottom face of the front portion of the horizontal portion is not affected, grinding of the front wall face of the middle extending plate is not affected either, and the clamping effect and the machining effect are good.

Description

TECHNICAL FIELD

[0001] The utility model relates to metal machine processing equipment technical field more specifically, relate to a kind of clamping device for improved bracket processing. BACKGROUND

[0002] The existing metal bracket, such as Figure 1 As shown, the blank needs to be processed to the structure as shown in Figure 1 It needs to punch the left and right parts of the front part of the horizontal plate and polish the top surface (the top surface in the middle) Figure 1 The front end surface of the middle through hole of the middle extension plate needs to be polished and processed;

[0003] Before processing, it needs to be clamped and fixed, and when installing, the blank part shown in Figure 1 It needs to be turned over by 180° and then clamped, and when the existing oil cylinder clamps, it generally fixes a pressing oil cylinder at the front and rear parts, and the pressing block of the push rod of the pressing oil cylinder is used to press it tightly. When pressing, the middle part of the front part of the horizontal part is pressed tightly, and the pressing block will block the front end surface of the middle through hole of the middle extension plate for polishing and processing, so that processing cannot be realized. Similarly, because the bottom surface of the left and right ends of the horizontal part needs to be polished (at this time, the top surface is clamped), but when installing, the middle part of the left and right parts of the front part of the horizontal plate has a jack, and the positioning column of the supporting block below is inserted into the jack. When polishing, it is easy to touch the top end of the positioning column, which affects polishing and makes this part unable to be processed. UTILITY MODEL CONTENTS

[0004] The utility model aims at overcoming the defects of prior art, and provides a kind of clamping device for improved bracket processing, it can clamp two left parts of bracket and two right parts of bracket once, i.e. the clamping and fixing of two sets of bracket are realized, and at the same time, when clamping, it will not affect the end surface polishing of the bottom surface of the left and right ends of the front part of the horizontal part, and will not affect the polishing of the front wall surface of the middle extension plate, so that the clamping effect is good, and the processing effect is good.

[0005] The utility model solves the technical problem by the following scheme:

[0006] A kind of clamping device for improved bracket processing, including fixed base plate, the left part of the fixed base plate is equipped with two first clamping sites, and the right part is equipped with two second clamping sites;

[0007] The front part of the middle part of the top surface of the fixed base plate at the first clamping site is fixed with front support block, and the rear part is fixed with rear support block, and the top surface of the fixed base plate at the left and right parts of the front of front support block is fixed with two lever oil cylinders;

[0008] The top surface of the fixed base plate at the rear of the rear support block is fixed with lever oil cylinder.

[0009] The left part and the right part of the top surface of the front supporting block are fixed with positioning columns extending upward;

[0010] The left part and the right part of the bottom surface of the front part of the horizontal part of the support to be processed are pressed against the left part and the right part of the top surface of the front supporting block, the positioning columns are inserted into the vertical positioning through holes in the middle part of the left part or the right part of the horizontal part and are matched with the vertical positioning through holes, and the bottom end surfaces of the pressing blocks of the corresponding two lever oil cylinders of the front part are pressed against the top surfaces of the left part and the right part of the front part of the horizontal part of the corresponding support.

[0011] The bottom surfaces of the downward extending vertical parts of the left part and the right part of the rear part of the support to be processed are pressed against the top surfaces of the corresponding rear supporting blocks, and the rear pressing blocks on the pressing blocks of the rear lever oil cylinders are pressed against the top surfaces of the rear parts of the two vertical parts.

[0012] The top surface of the rear part of the horizontal part of the support to be processed is formed with a middle extension plate extending upward, and a center through hole to be processed is formed in the middle part of the middle extension plate and faces the upper part between the two positioning columns.

[0013] The clamping devices on the two second clamping positions are symmetrically arranged with the vertical surfaces extending forward and backward in the middle part between the two second clamping positions as the center;

[0014] The clamping device on the second clamping position of the left part comprises a right pressing oil cylinder fixed in the middle part of the fixed bottom plate of the right part, the top surface of the fixed bottom plate at the left side of the right pressing oil cylinder is fixed with a middle supporting block, the top surface of the middle supporting block is fixed with an upper transverse oil cylinder, the right end of the push rod of the upper transverse oil cylinder extends out of the right side of the upper transverse oil cylinder, and the middle extension plate of the support to be processed installed on the second clamping position is clamped between the end surface of the push rod of the corresponding right pressing oil cylinder and the right end surface of the push rod of the upper transverse oil cylinder.

[0015] The top surfaces of the fixed bottom plates at the front part and the rear part of the middle supporting block are fixed with side supporting seats, the top surfaces of the fixed bottom plates at the outer sides of the side supporting seats are fixed with side pressing oil cylinders, V-shaped grooves are formed in the middle part of the top surfaces of the side supporting seats, the front and rear sidewalls of the horizontal part of the support to be processed on the second clamping position are formed with edge extension parts inserted into the corresponding V-shaped grooves, the bottom surfaces of the edge extension parts are arc surfaces and are pressed against the left and right two inwardly extending inner sidewalls of the corresponding V-shaped grooves, and the bottom surfaces of the bottom end pressing blocks of the pressing blocks of the side pressing oil cylinders are pressed against the top surfaces of the corresponding edge extension parts.

[0016] The prominent effect of the utility model is:

[0017] It can clamp two left brackets and two right brackets at the same time, thus achieving the clamping and fixing of two sets of brackets. At the same time, when clamping, it will not affect the end face grinding at both ends of the bottom surface of the front part of the horizontal part, nor will it affect the grinding of the front wall surface of the middle extension plate. It has good clamping effect and good processing effect. Attached image description:

[0018] Figure 1 This is a schematic diagram of the completed support structure;

[0019] Figure 2 This is a partial structural diagram of the present invention with a lower horizontal support plate installed below;

[0020] Figure 3 This is a partial structural diagram of the present invention with part of the support removed;

[0021] Figure 4 This is a partial structural schematic diagram of the present invention.

[0022] Figure 5 yes Figure 3 A schematic diagram of the local structure from a different angle;

[0023] Figure 6 yes Figure 5 A schematic diagram of the local structure at a different angle;

[0024] Figure 7 yes Figure 3 A magnified view of a portion of the image;

[0025] Figure 8 yes Figure 5 A magnified view of a portion of the image;

[0026] Figure 9 yes Figure 5 A magnified view of another part. Detailed implementation method:

[0027] For example, see below. Figures 1 to 9 As shown, an improved clamping device for bracket processing includes a fixed base plate 10. Side fixing plates are fixed at both ends of the fixed base plate 10. Connecting shafts are fixed on the outer side walls of both side fixing plates. One connecting shaft is fixed in the inner ring of the bearing of the support on the corresponding side. The other connecting shaft is fixed to the output gear of the reduction gearbox fixed on the corresponding side. The motor on the reduction gearbox drives the reduction gearbox to rotate, thereby realizing the flipping of the fixed base plate 10. The bottom surface of the reduction gearbox and the support is fixed on the top surface of the lower horizontal support plate.

[0028] In this embodiment, the fixed base plate 10 has two parallel first clamping positions on the left and two opposing second clamping positions on the right.

[0029] The front part of the middle part of the top surface of the fixed base plate 10 at the first clamping position is fixed with a front supporting block 11, and the rear part is fixed with a rear supporting block 12. The top surface of the fixed base plate 10 at the left part and the right part of the front of the front supporting block 11 is fixed with two lever oil cylinders 13.

[0030] The top surface of the fixed base plate 10 at the rear of the rear supporting block 12 is fixed with a lever oil cylinder 13.

[0031] The left part and the right part of the top surface of the front supporting block 11 are fixed with upward extending positioning columns 111.

[0032] The bottom surface of the left part and the right part of the front part of the horizontal part of the bracket 100 to be machined is pressed against the left part and the right part of the top surface of the front supporting block 11, the positioning column 111 is inserted into and matched with the vertical positioning through hole in the middle part of the left part or the right part of the horizontal part, and the bottom end surface of the pressing block of the corresponding two lever oil cylinders 13 of the front part is pressed against the top surface of the left part and the right part of the front part of the horizontal part of the corresponding bracket 100. Figure 1 The front wall surface of the middle part extension plate of the horizontal part of the bracket 100 (which is at the middle part of the bottom surface of the rear part) is not blocked, and the end surface can be polished by the tool of the machining center in the subsequent process.

[0033] Further, the bottom surface of the downward extending vertical part of the left part and the right part of the rear part of the bracket 100 to be machined is pressed against the top surface of the corresponding rear supporting block 12, and the rear pressing block on the pressing block of the rear lever oil cylinder 13 is pressed against the top surface of the rear part of the two vertical parts.

[0034] The top surface of the rear part of the horizontal part of the bracket 100 to be machined is formed with an upward extending middle part extension plate, and the middle part of the middle part extension plate is formed with a machining center through hole facing the upper part between the two positioning columns 111.

[0035] The top surface of the fixed base plate 10 at the far apart side of the two first clamping positions is fixed with a side material blocking seat 18, and the outer side wall of the vertical part of the far apart side of the two brackets 100 to be machined at the two first clamping positions is tightly attached to the corresponding side wall of the corresponding side material blocking seat 18, so as to realize alignment and limiting.

[0036] Further, the left part and the right part of the top surface of the rear supporting block 12 are formed with upward extending protruding parts 121, and the bottom surface of the vertical part of the bracket 100 to be machined is pressed against the top surface of the corresponding protruding part 121.

[0037] The top surface of the front support block 11 is formed with a downwardly extending lower groove 112 in the middle part, and the front and rear ends of the lower groove 112 extend out of the front and rear wall surfaces of the front support block 11.

[0038] Further, the front end surface of the pressing block of the lever oil cylinder 13 at the rear of the rear support block 12 is fixed with a transverse pressing block 131, and the upper parts of the left and right sides of the transverse pressing block 131 are each formed with an extension 132, and the bottom surface of the extension 132 is pressed against the top surface of the upwardly extending protruding column formed on the top surface of the corresponding vertical part.

[0039] Further, the clamping devices on the two second clamping positions are symmetrically arranged with the vertical surface extending front and rear in the middle part between the two second clamping positions as the center (only the clamping device on the left second clamping position will be introduced in the following, and the right one will not be described in detail);

[0040] The clamping device on the left second clamping position includes a right pressing oil cylinder 20 fixed in the middle part of the fixed base plate 10 on the right, and the top surface of the fixed base plate 10 at the left side of the right pressing oil cylinder 20 is fixed with a middle support block 21, and the top surface of the middle support block 21 is fixed with an upper transverse oil cylinder 22, and the right end of the push rod of the upper transverse oil cylinder 22 extends out of the right side of the upper transverse oil cylinder 22, and the middle extension plate of the support bracket 100 to be machined installed on the second clamping position is clamped between the end surface of the corresponding push rod of the right pressing oil cylinder 20 and the right end surface of the corresponding push rod of the upper transverse oil cylinder 22.

[0041] The top surface of the fixed base plate 10 at the left part of the right pressing oil cylinder 20 is fixed with a support block 30, and the push rod of the right pressing oil cylinder 20 is inserted into the middle through hole of the support block 30, and the top surface of the support block 30 is formed or fixed with two bottom support blocks, and the bottom surface of the corresponding vertical part of the support bracket 100 (when in the first clamping position, it is the top surface of the vertical part) is pressed against the top surface of the corresponding bottom support block to achieve support.

[0042] The support bracket 100 clamped on the second clamping position is exactly turned over by 180° from the support bracket 100 clamped on the first clamping position, and when the support bracket 100 clamped on the first clamping position has the front surface upward, the support bracket 100 clamped on the second clamping position has the back surface upward.

[0043] Further, the top surface of the fixed base plate 10 at the front and rear of the middle support block 21 is fixed with a side support seat 23, the top surface of the fixed base plate 10 at the outer side of the side support seat 23 is fixed with a side pressing oil cylinder 24, the middle part of the top surface of the side support seat 23 is formed with a V-shaped groove 231, the front and rear sidewalls of the horizontal part of the bracket 100 to be machined at the second clamping position are formed with a side part extension 102 inserted into the corresponding V-shaped groove 231, the bottom surface of the side part extension 102 is an arc surface, which is pressed against the left and right two inwardly extending sidewalls of the corresponding V-shaped groove 231, and the bottom end of the pressing block of the side pressing oil cylinder 24 is pressed against the top surface of the corresponding side part extension 102. Through the V-shaped groove 231, the corresponding side part extension 102 is clamped and positioned when installed, so as to ensure the firmness of the fixation and the stability of the position.

[0044] Further, the fixed base plate 10 below the surrounding part of the vertical positioning through hole of the horizontal part of the bracket 100 at the second clamping position is formed with a lower through groove 19.

[0045] The lower through groove 19 is located above when the fixed base plate 10 is turned over by 180 degrees, at this time, the cutter of the machining center can extend into the corresponding lower through groove 19 and polish the top surface of the horizontal part below at this time, so as to meet the machining requirement, and the machining effect is good and the efficiency is high.

[0046] Two left brackets 100 and two right brackets 100 (the left bracket 100 and the right bracket 100 are stacked left and right) can be clamped at one time, that is, two sets of brackets are clamped and fixed, and simultaneous machining can be realized, after machining, the two brackets 100 of the original second clamping position are installed on the two first clamping positions, and the two brackets 100 of the original first clamping position are installed on the two second clamping positions, and then, machining is carried out again, so as to complete the machining of the two sets of brackets 100, which only needs to be clamped twice to complete the machining of the two sets of brackets 100, and the clamping effect is good and the machining effect is good.

[0047] The above only describes the preferred embodiments of the present application, and it should be pointed out that for ordinary skilled in the art, without departing from the technical principles of the present application, a number of improvements and refinements can be made, and these improvements and refinements should be regarded as the protection scope of the present application.

Claims

1. An improved clamping device for stent machining, comprising a fixed base plate (10), characterized in that: The left part of the fixed bottom plate (10) is provided with two first clamping positions, and the right part is provided with two second clamping positions; The front part of the middle part of the top surface of the fixed bottom plate (10) at the first clamping position is fixed with a front supporting block (11), and the rear part is fixed with a rear supporting block (12); the top surface of the fixed bottom plate (10) at the left part and the right part of the front of the front supporting block (11) is fixed with two lever oil cylinders (13); The top surface of the fixed bottom plate (10) at the rear of the rear supporting block (12) is fixed with a lever oil cylinder (13); The left part and the right part of the top surface of the front supporting block (11) are fixed with upward extending positioning columns (111); The bottom surface of the left part and the right part of the front part of the horizontal part of the support (100) to be processed is pressed against the left part and the right part of the top surface of the front supporting block (11), the positioning column (111) is inserted into and matched with the vertical positioning through hole in the middle part of the left part or the right part of the horizontal part, and the bottom end surface of the pressing block of the corresponding two lever oil cylinders (13) of the front part is pressed against the top surface of the left part and the right part of the front part of the horizontal part of the corresponding support (100); The bottom surface of the downward extending vertical part of the left part and the right part of the rear part of the support (100) to be processed is pressed against the top surface of the corresponding rear supporting block (12), and the rear pressing block on the pressing block of the rear lever oil cylinder (13) is pressed against the top surface of the rear part of the two vertical parts; The top surface of the rear part of the horizontal part of the support (100) to be processed is formed with an upward extending middle extension plate, and the middle part of the middle extension plate is formed with a to-be-processed center through hole facing the upper part between the two positioning columns (111).

2. The improved clamping device for stent machining according to claim 1, characterized in that: The left part and the right part of the top surface of the rear supporting block (12) are formed with upward extending protruding parts (121), and the bottom surface of the vertical part of the support (100) to be processed is pressed against the top surface of the corresponding protruding part (121); The middle part of the top surface of the front supporting block (11) is formed with a downward extending lower groove (112), and the front and rear ends of the lower groove (112) protrude from the front and rear wall surfaces of the front supporting block (11).

3. The improved clamping device for stent machining according to claim 1, characterized in that: The front end surface of the pressing block of the lever oil cylinder (13) at the rear of the rear supporting block (12) is fixed with a transverse pressing block (131), the left and right sides of the upper part of the transverse pressing block (131) are formed with extension parts (132), and the bottom surface of the extension part (132) is pressed against the top surface of the upward extending protruding column formed on the top surface of the corresponding vertical part.

4. The improved clamping device for stent machining according to claim 1, characterized in that: The clamping devices on the two second clamping positions are centrally symmetrically arranged with the front and rear extending vertical surfaces at the middle part between the two second clamping positions as the center; The clamping device on the second clamping position of the left part comprises a right pressing oil cylinder (20) fixed in the middle part of the fixed base plate (10) of the right part, the top surface of the fixed base plate (10) at the left side of the right pressing oil cylinder (20) is fixed with a middle support block (21), the top surface of the middle support block (21) is fixed with an upper transverse oil cylinder (22), the right end of the push rod of the upper transverse oil cylinder (22) extends out of the right side of the upper transverse oil cylinder (22), and the middle extension plate of the support (100) to be machined installed on the second clamping position is clamped between the end surface of the corresponding push rod of the right pressing oil cylinder (20) and the right end surface of the push rod of the corresponding upper transverse oil cylinder (22).

5. The improved clamping device for stent machining according to claim 4, characterized in that: The top surface of the fixed base plate (10) at the front part and the rear part of the middle support block (21) is fixed with a side support seat (23), the top surface of the fixed base plate (10) at the outer side of the side support seat (23) is fixed with a side pressing oil cylinder (24), a V-shaped groove (231) is formed in the middle part of the top surface of the side support seat (23), the front and rear side walls of the horizontal part of the support (100) to be machined on the second clamping position are formed with a side extension part (102) inserted into the corresponding V-shaped groove (231), the bottom surface of the side extension part (102) is an arc surface which is pressed against the left and right two side inclined inner side walls of the corresponding V-shaped groove (231), and the bottom end of the pressing block of the side pressing oil cylinder (24) is pressed against the top surface of the corresponding side extension part (102).

6. The improved clamping device for stent machining according to claim 5, characterized in that: A lower through groove (19) is formed in the fixed base plate (10) below the surrounding part of the vertical positioning through hole of the horizontal part of the support (100) on the second clamping position.

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