Automatic clamping assembly for assembling roller frame of printer

Abstract

The utility model discloses an automatic clamping assembly for assembling a printer roller frame, which comprises a base plate which is erected through four supporting legs and is distributed along a horizontal plane, a frame accessory which can be placed on the base plate, and two tool assemblies which are symmetrically distributed and respectively assembled on two sides of the base plate and are used for clamping and positioning the frame accessory, the utility model relates to the technical field of positioning clamps. According to the automatic clamping assembly for assembling of the printer roller frame, a mechanical clamping structure is adopted to replace traditional air cylinder driving, the manufacturing cost and the maintenance difficulty are reduced, frame accessories can be rapidly and accurately positioned and clamped on the base plate by means of clamping fit of cambered surface clamping heads on the movable blocks and clamping grooves in the limiting columns, and in addition, the automatic clamping assembly is convenient to use. By introducing the reset spring, the tool assembly is more flexible and convenient when clamping and releasing frame accessories, the stability and the operation efficiency of the printer roller frame assembly line are improved, and the fault risk is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to positioning fixture technical field especially a kind of printer cylinder frame assembly automatic clamping subassembly. BACKGROUND

[0002] In the automatic assembly process of printer cylinder frame, positioning clamping subassembly plays a vital role, it is responsible for accurately fixing various frame fittings, to ensure that subsequent assembly steps can be carried out smoothly.

[0003] Through retrieval, Chinese patent CN218137622U discloses a kind of positioning pneumatic clamp for printer cylinder frame automatic assembly line, including backing plate, the backing plate top is fixed with two left-right symmetrical distribution air cylinders, two air cylinders are fixed with positioning plate in close proximity to one end, the backing plate top surface is provided with sliding slot, the sliding slot is provided with two symmetrically distributed sliding blocks, the utility model is improved gas for two air cylinders by gas tank, positioning plate is slid on backing plate using air cylinder telescoping, the position of two positioning plates is adjusted, it is convenient to fix different size parts, when positioning plate moves, positioning plate pulls one end of tape to move, tape is pulled out through the hole by being wound on rotating shaft, then staff determines the position of parts between two positioning plates by observing the value on tape, improves the accuracy of parts positioning, avoids error when processing parts.

[0004] In the process of realizing the present application, the inventor found that there are at least the following problems in the prior art:

[0005] Although the above-mentioned pneumatic clamp solves the positioning problem in the assembly of printer cylinder frame to some extent, but in actual application, the structure relying on air cylinder for clamping positioning is relatively complex, which not only increases the manufacturing cost, but also may fail in long-term use, affecting the stable operation of production line, and the operation efficiency is not high.

[0006] Therefore, the above technical problems need to be solved. UTILITY MODEL CONTENT

[0007] In order to overcome the shortcomings of the prior art, the utility model provides a kind of printer cylinder frame assembly automatic clamping subassembly, solve the problems raised in the above background art.

[0008] In order to solve the above technical problems, the basic technical scheme of the utility model is as follows:

[0009] A kind of printer cylinder frame assembly automatic clamping subassembly, including the backing plate and frame fittings that can be placed on the backing plate, which are arranged along the horizontal plane by four support legs, and two tool assemblies that are symmetrically distributed and assembled on both sides of the backing plate for clamping and positioning the frame fittings,

[0010] The tool assembly comprises a vertical fixed connection plate on the bottom side of the pad, a vertical fixed connection plate on the bottom side of the pad, and a vertical fixed connection plate on the bottom side of the pad.

[0011] The inner side of the top of the movable block is provided with a slope structure, and the bottom of the slope structure is provided with an arc clamping head.

[0012] The bottom of the frame accessory is vertically fixedly installed with four limiting columns, the bottom end of each of the four limiting columns is provided with a conical chamfer, the four limiting columns are divided into two groups and symmetrically distributed on the two sides of the bottom of the frame accessory, and the outer sides of the two limiting columns on the same side are provided with clamping grooves for the arc clamping head.

[0013] The top surface of the pad is provided with a sunken groove for accommodating the frame accessory, and the bottom surface of the sunken groove is provided with four first through holes for the four limiting columns.

[0014] Preferably, the top of the baffle is provided with a flange extending outwardly, and the inner side of the flange is provided with an anti-skid pattern. The baffle is arranged on the top of the pad. As an option, the flange and anti-skid pattern are arranged on the top of the baffle. On the one hand, the two flanges form an outwardly expanding structure, which helps to place and install the frame accessory between the two tool assemblies. On the other hand, the arrangement of the flange and the anti-skid pattern facilitates the outward pulling operation of the operator, and facilitates the release operation of the frame accessory through the baffle.

[0015] Preferably, the two sides of the frame accessory are provided with trapezoidal grooves distributed in the vertical direction, and the middle of the baffle is provided with a clamping plate matched with the trapezoidal grooves. By arranging the trapezoidal grooves on the two sides of the frame accessory and the clamping plate in the middle of the baffle, the frame accessory can be clamped more firmly.

[0016] Preferably, the top of each of the four limiting columns is provided with a clamping block in polygonal structure, and the bottom of the frame accessory is provided with four positioning grooves matched with the clamping blocks. The four limiting columns are divided into two groups and arranged on the two sides of the bottom of the frame accessory. The outer sides of the two limiting columns on the same side are provided with clamping grooves. As an option, the clamping block in polygonal structure is arranged on the top of the limiting column, which cooperates with the positioning groove to facilitate the positioning and installation of the limiting column on the bottom of the frame accessory, so that the clamping groove faces outward.

[0017] Preferably, the vertical plate is provided with two second through holes for the guide rod to pass through, and the inner side of the vertical plate and the outer side of the two movable blocks are provided with mounting grooves for accommodating the ends of the return springs.

[0018] The utility model discloses the beneficial effects are:

[0019] The technical scheme of the utility model discloses a mechanical clamping structure is adopted to replace traditional cylinder drive, and the manufacturing cost and maintenance difficulty are reduced, the arc surface clamp on the movable block and the clamping groove on the limiting column are clamped and matched, the frame accessory can be positioned and clamped on the pad quickly and accurately, in addition, the introduction of the return spring makes the tooling assembly more flexible and convenient when clamping and releasing the frame accessory, and the stability and operation efficiency of the printer cylinder frame assembly line are improved, and the failure risk is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is the structure schematic diagram of the utility model;

[0021] Figure 2 It is the structure schematic diagram of the utility model pad;

[0022] Figure 3 It is the structure schematic diagram of the utility model frame accessory;

[0023] Figure 4 It is the installation structure schematic diagram of the utility model limiting column;

[0024] Figure 5 It is the structure schematic diagram of the utility model tooling assembly;

[0025] Figure 6 It is the split structure schematic diagram of the utility model tooling assembly;

[0026] Figure 7 It is the structure schematic diagram of the utility model vertical plate;

[0027] BRIEF DESCRIPTION OF DRAWINGS:

[0028] 100, support leg;

[0029] 200, pad;

[0030] 210, sink groove; 220, first through hole; 230, strip hole;

[0031] 300, frame accessory;

[0032] 310, limiting column; 320, trapezoidal groove;

[0033] 3110, chamfer of conical surface; 3120, clamping groove; 3130, clamping block; 3140, positioning groove;

[0034] 400, tool assembly;

[0035] 410, vertical plate; 420, baffle; 430, movable block; 440, sliding block; 450, guide rod; 460, return spring; 470, flange; 480, clamping plate; 490, mounting groove;

[0036] 4110, second through hole;

[0037] 4310, slope structure; 4320, arc clamping head;

[0038] 4710, anti-skid line. DETAILED DESCRIPTION

[0039] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0040] Please refer to Figures 1-7The utility model provides a kind of technical scheme: a printer cylinder frame assembly automatic clamping subassembly, including the mat 200 and the frame fitting 300 being placed on mat 200 by four support legs 100 along horizontal plane distribution and erecting, and two symmetrical distribution respectively assembled in the tool assembly 400 of mat 200 both sides for frame fitting 300 clamping positioning, tool assembly 400 includes vertical fixedly connected in the vertical plate 410 of mat 200 bottom side and the baffle 420 being located in the inner side of vertical plate 410 and respectively being located in the top and bottom of mat 200 and two movable blocks 430, the top of two movable blocks 430 is fixedly connected by sliding block 440 with baffle 420, the outer side of two movable blocks 430 is vertically equipped with the guide rod 450 that can be moved and penetrate in vertical plate 410, the outside of two guide rods 450 is coaxially sleeved with reset spring 460, the both ends of reset spring 460 are respectively fixedly connected with movable block 430 and vertical plate 410, the inner side of movable block 430 top is equipped with slope structure 4310, and the bottom of slope structure 4310 is equipped with cam chuck 4320, the bottom of frame fitting 300 is vertically fixedly installed with four limit posts 310, the bottom end of four limit posts 310 is equipped with taper chamfer 3110, four limit posts 310 are divided into two groups and are symmetrically distributed respectively in the both sides of the bottom of frame fitting 300, and the outer side of two limit posts 310 located in the same side is equipped with the clamping groove 3120 that can be adapted and clamped by cam chuck 4320, the middle of mat 200 top surface is equipped with the subsidence groove 210 that can be adapted and clamped by cam chuck 4320, the bottom surface of subsidence groove 210 is equipped with four first through holes 220 that can be respectively penetrated by four limit posts 310, the left and right sides of mat 200 are equipped with two mutually parallel and can be adapted and contained by sliding block 440 strip-shaped hole 230.

[0041] Based on the structure of the above setting, the printer cylinder frame assembly automatic clamping assembly is composed of support legs 100, backing plates 200, frame fittings 300 and tool assembly 400, wherein the backing plate 200 is erected along the horizontal plane by means of four support legs 100 arranged in a rectangular array, the frame fitting 300 can be clamped and positioned on the backing plate 200 by two tool assembly 400 symmetrically arranged on the backing plate 200, specifically, during the working process, first, the frame fitting 300 is placed in the sunken groove 210 on the top surface of the backing plate 200, the design of the sunken groove 210 enables the frame fitting 300 to be stably placed on the backing plate 200, and provides a positioning reference for the subsequent clamping operation, the four limiting columns 310 at the bottom of the frame fitting 300 pass through the first through hole 220 on the backing plate 200, the taper chamfer 3110 at the bottom end of the limiting column 310 is designed to help the frame fitting 300 smoothly slide into the sunken groove 210 when placed, and guide the limiting column 310 to contact the movable block 430 of the tool assembly 400, when the frame fitting 300 is placed in place, the movable block 430 starts to play a role, the inner side of the top of the movable block 430 is provided with a slope structure 4310, when the limiting column 310 contacts the slope structure 4310, the limiting column 310 will slide along the slope structure 4310 due to the guiding action of the taper chamfer 3110, while pushing the movable block 430 to move outward, the movement of the movable block 430 is realized by the sliding block 440 sliding in the strip-shaped hole 230 of the backing plate 200, at the same time, the guide rod 450 outside the movable block 430 also slides in the second through hole 4110 of the vertical plate 410, with the movement of the movable block 430, the reset spring 460 sleeved outside the guide rod 450 starts to be compressed, the two ends of the reset spring 460 are fixedly connected with the movable block 430 and the vertical plate 410 respectively, therefore, when the movable block 430 moves outward, the reset spring 460 will generate a reverse elastic force to provide power for the reset of the movable block 430, when the limiting column 310 slides to the bottom of the slope structure 4310, the arc clamping head 4320 at the top of the movable block 430 will be clamped and matched with the clamping groove 3120 outside the limiting column 310, at this time, due to the elastic force of the reset spring 460, the movable block 430 will tightly clamp the limiting column 310, thereby realizing the rapid and accurate positioning and clamping of the frame fitting 300, during the clamping process, the setting of the baffle 420 plays a key supporting and limiting role, the top of the baffle 420 is provided with a flange 470 and an anti-skid pattern 4710, the flange 470 is provided with an outwardly expanding structure to facilitate the placement and installation of the frame fitting 300, and the anti-skid pattern 4710 facilitates the outward pulling operation of the operator to release the frame fitting 300, in addition, the clamping plate 480 in the middle of the baffle 420 is matched with the trapezoidal groove 320 on both sides of the frame fitting 300, further enhancing the firmness of clamping, when it is necessary to release the frame fitting 300, the operator only needs to pull the baffle 420 outward,The movable block 430 is driven to move outward, the arc clamping head 4320 is separated from the clamping groove 3120, thereby releasing the frame assembly 300, finally, the reset spring 460 pushes the movable block 430 back to the original position under the action of the elastic force, and the printer cylinder frame assembly is ready for the next clamping operation, the mechanical clamping structure is adopted to replace the traditional air cylinder driving, the manufacturing cost and the maintenance difficulty are reduced, the arc clamping head 4320 on the movable block 430 is clamped and matched with the clamping groove 3120 on the limiting column 310, and the frame assembly 300 can be quickly and accurately positioned and clamped on the base plate 200, in addition, the reset spring 460 is introduced, so that the tool assembly 400 is more flexible and convenient when clamping and releasing the frame assembly 300, the stability and operation efficiency of the printer cylinder frame assembly line are improved, and the fault risk is reduced.

[0042] Further, the top of the baffle 420 is provided with a flange 470 extending outwardly and obliquely, and the inner side of the flange 470 is provided with anti-skid lines 4710.

[0043] Further, the two sides of the frame assembly 300 are provided with trapezoidal grooves 320 distributed in the vertical direction, and the middle part of the baffle 420 is provided with a clamping plate 480 matched with the trapezoidal grooves 320.

[0044] Further, the top of the four limiting columns 310 is provided with a clamping block 3130 in a polygonal structure, and the bottom of the frame assembly 300 is provided with four positioning grooves 3140 matched with the clamping block 3130.

[0045] Further, the vertical plate 410 is provided with two second through holes 4110 through which the guide rod 450 is adapted to pass, and the inner side of the vertical plate 410 and the outer side of the two movable blocks 430 are provided with mounting grooves 490 for accommodating the end of the reset spring 460.

[0046] According to the disclosure and teaching of the above description, those skilled in the art of the present application can also make changes and modifications to the above embodiments. Therefore, the present application is not limited to the specific embodiments disclosed and described above, and some modifications and changes of the present application should fall within the protection scope of the claims of the present application. In addition, although some specific terms are used in the specification, these terms are only for convenience of description and do not constitute any limitation on the present application.

Claims

1. An automatic clamping assembly for assembling a printer roller frame, characterized in that: It includes a pad (200) mounted on four support legs (100) and distributed along the horizontal plane, and a frame fitting (300) that can be placed on the pad (200), as well as two tooling components (400) symmetrically distributed and assembled on both sides of the pad (200) for clamping and positioning by the frame fitting (300). The tooling assembly (400) includes a vertical plate (410) fixedly connected to the bottom side of the pad (200), a baffle (420) located inside the vertical plate (410) and respectively located at the top and bottom of the pad (200), and two movable blocks (430). The tops of the two movable blocks (430) are fixedly connected to the baffle (420) via sliders (440). The outer surfaces of the two movable blocks (430) are vertically fitted with guide rods (450) that can move through the vertical plate (410). The outer surfaces of the two guide rods (450) are coaxially fitted with return springs (460). The two ends of the return springs (460) are fixedly connected to the movable blocks (430) and the vertical plate (410) respectively. The inner side of the top of the movable block (430) is provided with a slope structure (4310), and the bottom of the slope structure (4310) is provided with an arc-shaped clip (4320). The bottom of the frame fitting (300) is vertically fixed with four limiting posts (310). The bottom end of each of the four limiting posts (310) is provided with a conical chamfer (3110). The four limiting posts (310) are divided into two groups and symmetrically distributed on both sides of the bottom of the frame fitting (300). The outer sides of the two limiting posts (310) on the same side are provided with slots (3120) for the arc-shaped clip head (4320) to be fitted and fastened. The top surface of the pad (200) has a recessed groove (210) in the middle for accommodating the frame fitting (300). The bottom surface of the recessed groove (210) has four first through holes (220) for the four limiting posts (310) to pass through respectively. The left and right sides of the pad (200) each have two parallel strip holes (230) for the slider (440) to be fitted and accommodated.

2. The automatic clamping assembly for assembling a printer roller frame according to claim 1, characterized in that: The top of the baffle (420) is provided with a flange (470) extending outward along an inclined direction, and the inner side of the flange (470) is provided with anti-slip texture (4710).

3. The automatic clamping assembly for assembling a printer roller frame according to claim 1, characterized in that: The frame fitting (300) has trapezoidal grooves (320) distributed vertically on both sides, and the baffle (420) has a clamping plate (480) in the middle that matches the trapezoidal grooves (320).

4. The automatic clamping assembly for assembling a printer roller frame according to claim 1, characterized in that: The top of each of the four limiting posts (310) is provided with a polygonal locking block (3130), and the bottom of the frame accessory (300) is provided with four positioning grooves (3140) that can be fitted and adapted to the locking block (3130).

5. The automatic clamping assembly for assembling a printer roller frame according to claim 1, characterized in that: The upright plate (410) has two second through holes (4110) through which the guide rod (450) can be adapted and passed. The inner side of the upright plate (410) and the outer side of the two second through holes (4110) and the outer side of the two movable blocks (430) are provided with mounting grooves (490) for accommodating the end of the reset spring (460).

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