阅读说明：本技术 一种节能型电路板加工用显影机 (Energy-saving circuit board processing is with development machine ) 是由 赵玉梅 朱建华 刘满 刘仁和 于 2021-07-31 设计创作，主要内容包括：本发明公开了一种节能型电路板加工用显影机,包括显影机主体,所述显影机主体包括：用于对电路板进行显影处理的操作箱,所述操作箱内设置有显影液喷出机构；用于牵引电路板穿过操作箱的牵引机构,所述牵引机构固定连接于操作箱的内侧顶端,所述牵引机构的左右两端穿过操作箱延伸至外侧,通过设置补偿组件,利用补偿弹簧配合滑动杆滑动连接于套耳可滑动式的特性,对不同高度的电路板进行适配,并且利用补偿弹簧的自身回弹力将电路板压紧,在确保装置能够适配各种高度不同型号的电路板同时,确保装置对电路板具有足够的支撑力,使电路板在进行显影加工过程中运转更加稳定,有利于提高设备对电路板的显影加工效果。(The invention discloses an energy-saving developing machine for processing a circuit board, which comprises a developing machine main body, wherein the developing machine main body comprises: the operation box is used for carrying out development treatment on the circuit board, and a developing solution spraying mechanism is arranged in the operation box; a drive mechanism for drawing circuit board passes the control box, drive mechanism fixed connection is in the inboard top of control box, drive mechanism passes the control box in both ends about and extends to the outside, through setting up compensation assembly, utilize compensation spring cooperation slide bar sliding connection in the characteristic of cover ear slidingtype, carry out the adaptation to the circuit board of co-altitude, and utilize compensation spring's self resilience force to compress tightly the circuit board, when the circuit board of the various high different models of device ability adaptation is being ensured, ensure that the device has sufficient holding power to the circuit board, it is more stable to make the circuit board move in carrying out the development course of working, be favorable to the development process effect of improve equipment to the circuit board.)

1. The utility model provides an energy-saving circuit board processing is with development machine, includes development machine main part (1), its characterized in that: the developing machine main body (1) includes:

the circuit board developing device comprises an operation box (2) used for carrying out developing treatment on a circuit board, wherein a developing solution spraying mechanism is arranged in the operation box (2);

the circuit board drawing device comprises a drawing mechanism (3) used for drawing a circuit board to penetrate through an operation box (2), wherein the drawing mechanism (3) is fixedly connected to the top end of the inner side of the operation box (2), and the left end and the right end of the drawing mechanism (3) penetrate through the operation box (2) and extend to the outer side;

a supporting mechanism (4) for playing the supporting effect to the circuit board bottom, supporting mechanism (4) set up in the inboard bottom of control box (2).

2. The energy-saving developing machine for processing the circuit board as claimed in claim 1, wherein: open setting is all done at both ends about and in the bottom of control box (2), the bottom of control box (2) still is provided with waste liquid recovery subassembly (5), waste liquid recovery subassembly (5) are including connecting rod (51), connecting rod (51) evenly are provided with four groups, connecting rod (51) fixed connection is in the bottom of control box (2), the bottom of connecting rod (51) is provided with collecting tank (52).

3. The energy-saving developing machine for processing the circuit board as claimed in claim 1, wherein: drive mechanism (3) include actuating mechanism (31), actuating mechanism (31) include slip table (311), slip table (311) fixed connection is on the inboard top of control box (2), the inboard longitudinal symmetry of slip table (311) is provided with screw rod (312) and guide bar (313), both ends are rotated and are connected in slip table (311) about screw rod (312), both ends fixed connection is in slip table (311) about guide bar (313), the left end of slip table (311) is provided with driving motor (314), the output of driving motor (314) passes slip table (311) and is connected with the left end of screw rod (312).

4. The energy-saving type developing machine for processing the circuit board according to claim 3, wherein: traction mechanism (3) still includes external subassembly (32), external subassembly (32) sliding connection is in actuating mechanism (31), external subassembly (32) set up in the inboard of control box (2), external subassembly (32) include connecting piece (321), both ends symmetry is provided with compensating assembly (322) around connecting piece (321), compensating assembly (322)'s bottom is provided with installation component (323), the bottom of installation component (323) is provided with the clamp assembly (324) with the mutual adaptation of circuit board.

5. The energy-saving developing machine for processing the circuit board as claimed in claim 4, wherein: the connecting piece (321) includes slider (3211), slider (3211) sliding connection is in the lower extreme of slip table (311), be provided with on slider (3211) with screw rod (312) mutual adaptation screw hole (3212) and guiding hole (3213), screw hole (3212) are through threaded connection in the outside of screw rod (312), guiding hole (3213) slip cup joint in the outside of guide bar (313).

6. The energy-saving developing machine for processing the circuit board as claimed in claim 5, wherein: the compensation assembly (322) comprises sleeve lugs (3221) which are symmetrically arranged in the front and back direction, the sleeve lugs (3221) are fixedly connected to the front end and the back end of the sliding block (3211), a sliding rod (3222) is connected to the sleeve lugs (3221) in a sliding manner, a limiting block (32221) is arranged at the top end of the sliding rod (3222), a compensation spring (3223) is sleeved on the outer side of the sliding rod (3222), and the top end of the compensation spring (3223) is fixedly connected to the bottom end of the sleeve lug (3221).

7. The energy-saving developing machine for processing the circuit board as claimed in claim 6, wherein: the mounting assembly (323) includes fixed block (3231), both ends symmetry is provided with installation ear (3232) around fixed block (3231), the top and the bottom fixed connection of slide bar (3222) and compensating spring (3223) of installation ear (3232), the bottom of fixed block (3231) is provided with mounting panel (3233), be provided with mounting bolt (32331) on mounting panel (3233).

8. The energy-saving developing machine for processing the circuit board as claimed in claim 7, wherein: the top end of the fixed block (3231) is provided with a handle (32311).

9. The energy-saving developing machine for processing the circuit board as claimed in claim 7, wherein: clamping assembly (324) include connecting plate (3241), connecting plate (3241) can dismantle the bottom of connecting in mounting panel (3233) through construction bolt (32331), the bottom front and back symmetry of connecting plate (3241) is provided with anchor clamps (3242), anchor clamps (3242) include driving cylinder (32421), driving cylinder (32421) fixed connection is in the bottom of mounting panel (3233), the output inboard of driving cylinder (32421) is provided with push rod (32422), the one end of keeping away from driving cylinder (32421) of push rod (32422) is provided with splint (32423), the inboard of splint (32423) is provided with protection pad (324231).

10. The energy-saving developing machine for processing the circuit board as claimed in claim 1, wherein: bearing mechanism (4) are including a plurality of pivot (41) of evenly arranging, pivot (41) are rotated and are connected in the inboard of control box (2), the outside intermediate position of pivot (41) is provided with adjusts a section of thick bamboo (42), the outside of adjusting a section of thick bamboo (42) evenly is provided with a plurality of regulation holes (421), the outside front and back symmetry of adjusting a section of thick bamboo (42) is provided with two sets of side clamp splice (43), be provided with on side clamp splice (43) with adjusting hole (421) connecting bolt (431) of mutual adaptation, side clamp splice (43) can be dismantled through connecting bolt (431) and connect in adjusting hole (421) in a section of thick bamboo (42) outside.

Technical Field

The invention relates to the technical field of circuit board processing equipment, in particular to an energy-saving developing machine for processing a circuit board.

Background

The developing machine is printing processing equipment which can partially or completely complete the procedures of developing, washing, gluing, drying and the like of a sunned printing plate at one time through semi-automatic and full-automatic programs. The developing process is a process of developing a latent image formed on a film or a printing plate by exposure with a reducing agent. The development of the PS plate is to obtain the printing plate surface and the plate surface performance meeting the printing requirements while the image and text of the printing plate are displayed. The developing machine is printing processing equipment which can partially or completely complete the procedures of developing, washing, gluing, drying and the like of a sunned printing plate at one time through semi-automatic and full-automatic programs.

In the circuit board processing process, the exposed circuit board needs to be coated with a developing solution for carrying out developing treatment, most of the existing methods are manual operation, the labor intensity of the manual operation is high, the efficiency is low, automatic or semi-automatic circuit board developing machines appear on the current market, the circuit board is fixedly pulled by a clamp to pass through developing treatment equipment and is taken out after operations such as developing solution spraying, washing, drying and the like, the existing clamp pulling equipment generally adopts a horizontal structure in order to ensure the stable operation of the circuit board, however, the horizontal structure easily causes the developing solution and subsequent washing solution to be accumulated on the surface of the circuit board, the next step of processing of the circuit board is influenced after drying, and most of the existing clamp pulling mechanisms adopt a fixed type, and users cannot effectively fix the circuit boards with different sizes and models and the circuit boards with different sizes due to processing technological errors, the practicality of the device is relatively poor.

Disclosure of Invention

The invention aims to provide an energy-saving developing machine for processing a circuit board, which solves the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an energy-saving circuit board processing is with development machine, includes the development machine main part, the development machine main part includes:

the operation box is used for carrying out development treatment on the circuit board, and a developing solution spraying mechanism is arranged in the operation box;

the traction mechanism is used for drawing the circuit board to penetrate through the operation box, the traction mechanism is fixedly connected to the top end of the inner side of the operation box, and the left end and the right end of the traction mechanism penetrate through the operation box and extend to the outer side;

a bearing mechanism for playing the supporting effect to the circuit board bottom, bearing mechanism sets up in the inboard bottom of control box.

Further, open setting is all done at both ends about and in the bottom of control box, the bottom of control box still is provided with the waste liquid recovery subassembly, the waste liquid recovery subassembly includes the connecting rod, the connecting rod evenly is provided with four groups, connecting rod fixed connection is in the bottom of control box, the bottom of connecting rod is provided with the collecting tank.

Further, drive mechanism includes actuating mechanism, actuating mechanism includes the slip table, slip table fixed connection is on the inboard top of control box, the inboard longitudinal symmetry of slip table is provided with screw rod and guide bar, both ends are rotated about the screw rod and are connected in the slip table, both ends fixed connection is in the slip table about the guide bar, the left end of slip table is provided with driving motor, driving motor's output passes the left end of slip table and screw rod and is connected.

Further, drive mechanism still includes external subassembly, external subassembly sliding connection is in actuating mechanism, external subassembly sets up in the inboard of control box, external subassembly includes the connecting piece, both ends symmetry is provided with the compensating assembly around the connecting piece, the bottom of compensating assembly is provided with the installation component, the bottom of installation component is provided with the tight subassembly of clamp with the mutual adaptation of circuit board.

Further, the connecting piece includes the slider, slider sliding connection is in the lower extreme of slip table, be provided with on the slider with screw rod mutual adaptation's screw hole and guiding hole, the screw hole passes through threaded connection in the outside of screw rod, the guiding hole slides and cup joints in the outside of guide bar.

Further, the compensation assembly comprises sleeve lugs symmetrically arranged front and back, the sleeve lugs are fixedly connected to the front end and the rear end of the sliding block, sliding rods are connected to the sleeve lugs in a sliding mode, limiting blocks are arranged on the top ends of the sliding rods, compensation springs are sleeved on the outer sides of the sliding rods, and the top ends of the compensation springs are fixedly connected to the bottom ends of the sleeve lugs.

Further, the installation component includes the fixed block, both ends symmetry is provided with the installation ear around the fixed block, the top and the slide bar of installation ear and compensation spring's bottom fixed connection, the bottom of fixed block is provided with the mounting panel, be provided with construction bolt on the mounting panel.

Furthermore, a handle is arranged at the top end of the fixing block.

Further, clamping component includes the connecting plate, the connecting plate can be dismantled through construction bolt and connect in the bottom of mounting panel, the symmetry is provided with anchor clamps around the bottom of connecting plate, anchor clamps include the driving cylinder, driving cylinder fixed connection is in the bottom of mounting panel, the output of driving cylinder is provided with the push rod to the inboard, the one end of keeping away from the driving cylinder of push rod is provided with splint, the inboard of splint is provided with the protection pad.

Further, bearing mechanism includes a plurality of pivots of evenly arranging, the pivot is rotated and is connected in the inboard of control box, the outside intermediate position of pivot is provided with adjusts a section of thick bamboo, the outside of adjusting a section of thick bamboo evenly is provided with a plurality of regulation holes, the outside front and back symmetry of adjusting a section of thick bamboo is provided with two sets of side clamp splice, be provided with the connecting bolt with the mutual adaptation of regulation hole on the side clamp splice, the side clamp splice passes through connecting bolt and can dismantle the regulation hole of connecting in the regulation section of thick bamboo outside.

Compared with the prior art, the invention has the beneficial effects that:

the traction mechanism is matched with the supporting mechanism for use. When the device is used, a user pulls the handle upwards, the handle drives the mounting assembly and the clamping assembly to move upwards, the sliding rod moves upwards along the sleeve lug, the compensation spring is compressed, the user longitudinally places the circuit board between the two groups of clamping plates and places the bottom end of the circuit board between the two groups of side clamping blocks on the supporting mechanism, the driving cylinder operates, the driving push rod pushes the clamping plates to clamp and fix the circuit board, the inner side of the clamping plate is provided with the protection pad, the two sides of the circuit board can be effectively protected, the two sides of the circuit board are prevented from being worn due to overlarge clamping force of the clamping plates, then the user releases the handle, the compensation spring rebounds to move downwards, the upper end and the lower end of the circuit board are pressed and fixed by matching with the supporting mechanism, the driving mechanism operates, the driving motor drives the screw rod to rotate, and the circuit board is driven to move from left to right under the guiding effect of the guide rod, the developing processing is carried out, the developing processing structure of the longitudinal axis structure is realized, after the developing solution and the cleaning solution are sprayed, the liquid agent is left along the side surface of the circuit board, the continuous accumulation on the surface of the circuit board is avoided, the normal use of the circuit board is influenced after the drying, the bottom end of the operating box is arranged in an open mode, the bottom end of the operating box is provided with a waste liquid recovery assembly, waste liquid generated in the processing process all falls into a liquid collecting tank, the recovery processing of a user is convenient, the practicability of the device is effectively enhanced, in the operation process, the adjusting cylinder and the side clamping block which are in contact with the circuit board rotate along with the rotating shaft, excessive abrasion to the circuit board is avoided, the circuit board is effectively protected, through arranging the clamp and the side clamping block, the clamp plate in the clamp can be adjusted in a self-adaptive mode according to the thickness of the circuit board, and the side clamping block which plays a positioning role is detachably connected to the adjusting hole on the outer side of the adjusting cylinder through the connecting bolt, the position of the side clamping block can be aligned and fixed in advance by a user according to the thicknesses of circuit boards of different types to adapt to the circuit boards of different thicknesses, meanwhile, the compensation assembly is further arranged on the external assembly, the circuit boards of different heights are adapted by utilizing the characteristic that the compensation spring is matched with the sliding rod and is slidably connected to the sleeve lug, the circuit boards are pressed by utilizing the self resilience force of the compensation spring, the device is ensured to have enough supporting force for the circuit boards while being capable of adapting to the circuit boards of different heights and different types, the circuit boards are enabled to run more stably in the developing processing process, and the developing processing effect of equipment on the circuit boards is improved.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.

FIG. 1 is a schematic view of the overall appearance structure of the present invention;

FIG. 2 is a schematic view of the internal structure of the operation box of the present invention;

FIG. 3 is a schematic view of the overall structure of the external component of the present invention;

FIG. 4 is a schematic side view of the external component of the present invention;

fig. 5 is a schematic structural view of the supporting mechanism of the present invention.

In the figure: 1. a developing machine main body; 2. an operation box; 3. a traction mechanism; 31. a drive mechanism; 311. a sliding table; 312. a screw; 313. a guide bar; 314. a drive motor; 32. an external component; 321. a connecting member; 3211. a slider; 3212. a threaded hole; 3213. a guide hole; 322. a compensation component; 3221. ear sleeving; 3222. a slide bar; 32221. a limiting block; 3223. a compensation spring; 323. mounting the component; 3231. a fixed block; 32311. a handle; 3232. mounting lugs; 3233. mounting a plate; 32331. installing a bolt; 324. a clamping assembly; 3241. a connecting plate; 3242. a clamp; 32421. a drive cylinder; 32422. a push rod; 32423. a splint; 324231, a protective pad; 4. a support mechanism; 41. a rotating shaft; 42. an adjusting cylinder; 421. an adjustment hole; 43. a side clamping block; 431. a connecting bolt; 5. a waste liquid recovery assembly; 51. a connecting rod; 52. a liquid collecting tank.

Detailed Description

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution of an energy-saving developing machine for processing a circuit board: an energy-saving circuit board processing is with development machine, includes development machine main part 1, and development machine main part 1 includes:

the device comprises an operation box 2 used for carrying out developing treatment on a circuit board, wherein a developing solution spraying mechanism is arranged in the operation box 2, the bottom end, the left end and the right end of the operation box 2 are both arranged in an open mode, a waste liquid recovery assembly 5 is also arranged at the bottom end of the operation box 2, the waste liquid recovery assembly 5 comprises four groups of connecting rods 51, the connecting rods 51 are uniformly arranged, the connecting rods 51 are fixedly connected to the bottom end of the operation box 2, and a liquid collecting tank 52 is arranged at the bottom end of each connecting rod 51;

a traction mechanism 3 for drawing the circuit board to pass through the operation box 2, the traction mechanism 3 is fixedly connected to the top end of the inner side of the operation box 2, the left and right ends of the traction mechanism 3 pass through the operation box 2 and extend to the outer side, the traction mechanism 3 comprises a driving mechanism 31, the driving mechanism 31 comprises a sliding table 311, the sliding table 311 is fixedly connected to the top end of the inner side of the operation box 2, the inner side of the sliding table 311 is provided with a screw 312 and a guide rod 313 in an up-and-down symmetry manner, the left and right ends of the screw 312 are rotatably connected to the sliding table 311, the left and right ends of the guide rod 313 are fixedly connected to the sliding table 311, the left end of the sliding table 311 is provided with a driving motor 314, the output end of the driving motor 314 passes through the sliding table 311 and is connected with the left end of the screw 312, the traction mechanism 3 further comprises an external component 32, the external component 32 is slidably connected to the driving mechanism 31, the external component 32 is arranged at the inner side of the operation box 2, the external component 32 comprises a connecting piece 321, the front end and the rear end of the connecting member 321 are symmetrically provided with compensation components 322, the bottom end of the compensation component 322 is provided with a mounting component 323, the bottom end of the mounting component 323 is provided with a clamping component 324 mutually matched with a circuit board, the connecting member 321 comprises a sliding block 3211, the sliding block 3211 is slidably connected with the lower end of the sliding table 311, the sliding block 3211 is provided with a threaded hole 3212 and a guide hole 3213 mutually matched with the screw 312, the threaded hole 3212 is connected with the outer side of the screw 312 through a thread, the guide hole 3213 is slidably sleeved on the outer side of the guide rod 313, the compensation component 322 comprises sleeve lugs 3221 symmetrically arranged in the front and rear direction, the sleeve lugs 3221 are fixedly connected with the front end and the rear end of the sliding block 3211, the sleeve lugs 3222 are slidably connected with the sliding rod 3222, the top end of the sliding rod 3222 is provided with a stop block 32221, the outer side of the sliding rod 3222 is sleeved with a compensation spring 3223, the top end of the compensation spring 3223 is fixedly connected with the bottom end of the sleeve lug 3221, the mounting component 323 comprises a fixing block 3231, mounting lugs 3232 are symmetrically arranged at the front end and the rear end of a fixing block 3231, the top end of each mounting lug 3232 is fixedly connected with the bottom ends of the sliding rod 3222 and the compensation spring 3223, a mounting plate 3233 is arranged at the bottom end of the fixing block 3231, a mounting bolt 32331 is arranged on the mounting plate 3233, a handle 32311 is arranged at the top end of the fixing block 3231, the clamping assembly 324 comprises a connecting plate 3241, the connecting plate 3241 is detachably connected to the bottom end of the mounting plate 3233 through the mounting bolt 32331, clamps 3242 are symmetrically arranged at the front end and the rear end of the connecting plate 3241, each clamp 3242 comprises a driving cylinder 32421, the driving cylinder 32421 is fixedly connected to the bottom end of the mounting plate 3233, an output end of the driving cylinder 32421 is provided with a push rod 32422 towards the inner side, one end of the push rod 32422, which is far away from the driving cylinder 32421, and a protection pad 324231 is arranged on the inner side of the clamp 32423;

a bearing mechanism 4 for playing the effect of accepting to the circuit board bottom, bearing mechanism 4 sets up in the inboard bottom of control box 2, bearing mechanism 4 includes a plurality of pivots 41 of evenly arranging, pivot 41 rotates to be connected in the inboard of control box 2, the outside intermediate position of pivot 41 is provided with adjusts a section of thick bamboo 42, the outside of adjusting a section of thick bamboo 42 evenly is provided with a plurality of regulation holes 421, the outside longitudinal symmetry of adjusting a section of thick bamboo 42 is provided with two sets of side clamp splice 43, be provided with the connecting bolt 431 with the mutual adaptation of regulation hole 421 on the side clamp splice 43, side clamp splice 43 can dismantle through connecting bolt 431 and connect in the regulation hole 421 in the regulation section of thick bamboo 42 outside.

The invention is used by arranging the traction mechanism 3 to be matched with the supporting mechanism 4, when in use, a user pulls the handle 32311 upwards, the handle 32311 drives the mounting component 323 and the clamping component 324 to move upwards, the sliding rod 3222 moves upwards along the sleeve ear 3221, the compensation spring 3223 is compressed, the user longitudinally places the circuit board between the two groups of clamping plates 32423 and aligns the bottom end of the circuit board between the two groups of side clamping blocks 43 on the supporting mechanism 4, the driving cylinder 32421 operates, the driving push rod 32422 pushes the clamping plates 32423 to clamp and fix the circuit board, the inner side of the clamping plate 32423 is provided with the protection pad 324231, the two sides of the circuit board can be effectively protected, the abrasion of the two sides of the circuit board caused by the overlarge clamping force of the clamping plate 32423 can be prevented, then the user loosens the handle 32311, the compensation spring 3223 rebounds downwards to move, and the upper and lower pressing two ends of the circuit board are fixed by matching with the supporting mechanism 4, the driving mechanism 31 operates, the driving motor 314 drives the screw rod 312 to rotate, under the guiding action of the guide rod 313, the driving circuit board moves from left to right along the operation box 2 to carry out development processing, a development processing structure with a longitudinal shaft structure is realized, after the developing solution and the cleaning solution are sprayed, the liquid agent is left along the side surface of the circuit board to avoid continuous accumulation on the surface of the circuit board and influence on normal use of the circuit board after drying, in addition, the bottom end of the operation box 2 adopts an open type arrangement, the bottom end of the operation box 2 is provided with the waste liquid recovery assembly 5, the waste liquid generated in the processing process all falls into the liquid collecting tank 52, the recovery processing by a user is convenient, the practicability of the device is effectively enhanced, in the operation process, the adjusting cylinder 42 contacted with the circuit board and the side clamping block 43 all rotate along with the rotating shaft 41, excessive abrasion to the circuit board is avoided, and the circuit board is effectively protected, the invention sets a clamp 3242 and a side clamping block 43, a clamping plate 32423 in the clamp 3242 can be adjusted in a self-adaptive way according to the thickness of the circuit board, the side clamping block 43 with positioning function is detachably connected to an adjusting hole 421 outside an adjusting cylinder 42 by adopting a connecting bolt 431, a user can align and fix the position of the side clamping block 43 in advance according to the thicknesses of different types of circuit boards so as to adapt to the circuit boards with different thicknesses, meanwhile, the invention also sets a compensation component 322 on an external connection component 32, adapts to the circuit boards with different heights by utilizing the characteristic that a compensation spring 3223 is matched with a sliding rod 3222 to be slidably connected with a sleeve lug 3221, compresses the circuit boards by utilizing the self-resilience force of the compensation spring 3223, ensures that the device can adapt to the circuit boards with different heights and different types, and simultaneously ensures that the device has enough supporting force to the circuit boards, so that the circuit boards can run more stably in the developing process, the development processing effect of the equipment on the circuit board is improved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.