CN208840545U - Drilling machine with hoistable platform - Google Patents

Abstract

A kind of drilling machine with hoistable platform, including operating platform component (1), control assembly (2), are characterized in that: operating platform component (1) includes workbench (13), motor (14), pedestal (16)；Limit has vertical shaft (12) and column (17) respectively on the both ends of pedestal (16), and one end of workbench (13) liftably limits on vertical shaft (12), and the other end of workbench (13) is oriented to by column (17)；The output end of motor (14) is equipped with cam (141)；Workbench (13) lowermost limit has cam follower (132), and cam follower (132) upper limit has the bearing (133) with cam (141) cooperation；Ratchet (21) is manually controlled by control stick (214).It has many advantages, such as that simple and compact for structure, easily operated, low cost, use process are safe and reliable.

Description

Drilling machine with hoistable platform

Technical field

The invention belongs to turning or boring apparatus, specifically a kind of drilling machine with hoistable platform, IPC code is B23B39/00 or B23Q7/00.

Background technique

Bench drill is widely used in processing equipment, is a kind of compact, easy to operate, and cheap small-sized drilling adds Work lathe.Application for a patent for invention if application publication number is CN105478822A discloses a kind of small-sized machine drilling machine comprising Pedestal, the upper surface of pedestal are fixedly installed with hydraulically extensible column, and brake box is fixedly installed at the top of hydraulically extensible column, braking The bottom of case is also fixedly installed with drill bit, offers sliding groove on the pedestal immediately below drill bit, and be slidably connected shifting in sliding groove Dynamic device, is fixedly connected with carrier at the top of mobile device.Although the technical solution solves miniaturization and automation Problem, but tool retracting device uses independent structure, does not link with operating platform, causes its not easy to use.But it used Cheng Zhong, the degree of automation is still lower, needs a large amount of manpower interventions, and no automatic tool withdrawal function causes inconvenient to use.

Utility model content

The purpose of the utility model is to provide a kind of drilling machines with hoistable platform, fundamentally solve the above problem. It has many advantages, such as that simple and compact for structure, easily operated, low cost, use process are safe and reliable.

To achieve the above object, the utility model provides following technical solution: should include with the drilling machine of hoistable platform Operating platform component, control assembly, are characterized in that:

Operating platform component includes workbench, motor, pedestal；

Limit has vertical shaft and column respectively on the both ends of pedestal, and one end of workbench liftably limits on vertical shaft, The other end of workbench passes through guide pillar；

The output end of motor is equipped with cam；Workbench lowermost limit has a cam follower, cam follower upper limit have with it is convex Take turns the bearing of cooperation；

Ratchet is manually controlled by control stick.

Under the premise of solving above-mentioned technical problem, to make drill bit and hoistable platform link, to facilitate control, motor output The cam at end is equipped with straight pin, and pedestal upper limit has the travel switch matched with straight pin；

Control assembly include by travel switch control electromagnet, be connected on electromagnet pawl, match with pawl The ratchet with collision block, the control switch that is matched with collision block, ratchet limited by operating shaft, and operating shaft is equipped with wind spring.

To avoid collision block from continuing to rotate after striking control switch, extend the service life of control assembly, control assembly is also Including the spring leaf matched with collision block.

To keep the sliding of vertical shaft more smooth, vertical shaft passes through a pair of of axle sleeve limit between workbench and pedestal, wherein one A or two axle sleeves are equipped with stomata.

Decline process fluency to improve hoistable platform, also limit has tension spring between workbench and pedestal.

Auxiliary rod is set on control stick without changing hands halfway to increase torque arm length.

The utility model has the beneficial effects that rotating by motor driven cam, and then workbench is controlled by cam Lifting, and lifting distance is limited, achieve the purpose that auto-feed, automatic withdrawal.After ratchet is detached from pawl, the spine under wind spring effect Fast rotation is taken turns, so that shutdown, rapid return can be realized.During motor driven cam rotates, workbench is realized automatic Lifting passes through travel switch and cooperates control assembly, it can be achieved that manually after booting, automatic drilling, automatic rapid return, drilling certainly Dynamic shutdown etc. is automatically brought into operation, and not only increases working efficiency, and reduce labor intensity of workers.Control stick is set using folding-jib Meter, the arm of force is long, rapid operation, without changing hands halfway.

In conclusion the utility model has simple and compact for structure, easily operated, low cost, shuts down rapid, use process The advantages that safe and reliable.

Detailed description of the invention

Fig. 1 is the schematic view of the front view of the utility model.

Fig. 1 a is schematic cross-sectional view of the Fig. 1 along line A-A.

Fig. 1 b is schematic cross-sectional view of the Fig. 1 along line B-B.

Fig. 1 c be Fig. 1 in along C to structural schematic diagram.

Fig. 2 is the side structure schematic view of the utility model.

Fig. 3 is the structural schematic diagram of the utility model one of which control switch.

Fig. 4 is the operation principle schematic diagram of the utility model cam and travel switch cooperation.

Fig. 5 is the side structure schematic view of a station in Fig. 4.

Specific embodiment

Below in conjunction with Fig. 1 ~ 5, the content of the utility model is described in detail by specific embodiment.This has hoistable platform Drilling machine mainly includes operating platform component 1, control assembly 2 and spindle box (attached drawing is unmarked) etc..Wherein, for convenience of withdrawing, Operating platform component 1 is used with flowering structure: operating platform component 1 includes workbench 13, motor 14, pedestal 16.

Limit has vertical shaft 12 and column 17 respectively on the both ends of pedestal 16, and one end of workbench 13 liftably limits On vertical shaft 12, the other end of workbench 13 is oriented to by column 17, and a pair is set with such as on column 17 and is separately fixed at work 171 spacing column 17 of column axle sleeve on platform 13 and pedestal 16.It is flat in work that vertical shaft 12 passes through a pair of of 11 limit of vertical shaft axle sleeve Between platform 13 and pedestal 16, the vertical shaft axle sleeve 11 of wherein one or two is equipped with stomata 111.

The output end of motor 14 is equipped with cam 141, such as can be by the way that cam square key 143 is arranged on the output shaft of motor 14 Limit cam 141, and pass through the limit of setting limit shaft sleeve 142 and the realization cam horizontal direction of lock sleeve 144.Workbench 13 Lowermost limit has cam follower 132, and being limited on cam follower 132 by clamping screw 134 has the bearing cooperated with cam 141 133。

Also limit has tension spring 15 between workbench 13 and pedestal 16, for example, this field can be used on workbench 13 The fixed upper spring base 131 of conventional connection type, can be on pedestal 16 using the fixed tension spring of the connection type of this field routine Seat 161, then fixes at 15 both ends of tension spring respectively, so that the limit of tension spring 15 can be realized, tension spring 15 provides 13 He of workbench The downward reset force of pedestal 16.

Spindle box is by the opening limit of lock sleeve 172 on column 17.In the cam of 14 output end of motor of platform assembly 1 141 are equipped with straight pin 145, on pedestal 16 by bracket 162, adjust bolt 164, limit has and matches with straight pin 145 Travel switch 163.Control assembly 2 is linked by control circuit and main shaft, and control assembly 2 includes being controlled by travel switch 163 Electromagnet 25, the pawl 251 being connected on electromagnet 25, the ratchet 21 with collision block 211 matched with pawl 251, with hit The control switch 24(that block 211 matches preferred ship type switch), the spring leaf 26 of 211 end of travel of collision block is set.To guarantee The guiding stability of pawl 251, by the limit of pawl 251 in pawl base 23.Ratchet 21 is manually controlled by control stick 214, and The fixation of control stick can be used such as under type: it has been connected through a screw thread end cap (in Fig. 2 unmarked) in the end of operating shaft 212, Then control stick 214 is fixed on end cap.Ratchet 21 is limited by operating shaft 212, is passed through between ratchet 21 and operating shaft 212 Ratchet square key 213 realizes limit, and operating shaft 212 is equipped with wind spring 215.

In addition, keeping operating process more labor-saving to increase torque arm length, and the process that midway is changed hands is saved, it can be in control stick By 217 installation auxiliary rod 216 of threeway set on 214, auxiliary rod 216 covers in 217 threaded holes in threeway to be tightened.

Working principle: below in conjunction with Fig. 4 corresponding platform assembly 1 and control in four rotary work stations by cam 141 2 different working condition of component, illustrates the working principle of the utility model.A → e belongs to a continuous process, and diagram is only the company Five key points of continuous process.In actual use, only in a station withdrawing, there is interval.

Station a → d: initial bit: entire drilling machine power-off, the straight pin 145 of cam 141 touch travel switch 163, collision block 211 act against on spring leaf 26, and pawl 251 floats on ratchet 21 (non-tooth socket position), and workbench 13 is located at lowest order.Operation Workpiece to be processed is loaded on workbench 13 by personnel, drill bit is aligned after being intended to bore position, manual depression control stick 214, the torsion after pushing is stored by wind spring 215, and in 21 rotary course of ratchet, collision block 211 is detached from spring leaf 26, will be controlled Switch 24 is converted from closed state to open state, and spindle box motor and motor 14 start, and continues to push the arrival of control stick 214 Horizontal position (as shown in Figure 1), at this point, the straight pin 145 of cam 141 has been detached from travel switch 163,25 power loss of electromagnet, spine Locking is realized in the tooth socket that pawl 251 is caught in ratchet 21 under the action of electromagnet spring.Cam 141 is gradually by a station rotary to d Station, workbench 13 gradually rises to vertex during this, and drill bit completes drilling to the predetermined position of workpiece.

Station d → e → a: drilling terminates, and motor output shaft 146 continues to rotate, and finally returns that a station, workbench 13 by Gradually drop to lowest order.The straight pin 145 on cam 141 touches travel switch 163 at this time, and electromagnet 25 must be electric, on pawl 251 It rises, while compression electromagnet spring, elastic potential energy is stored, ratchet 21 drives collision block 211 clockwise under the action of wind spring 215 It rotates at (visual angle Fig. 1), collision block 211 converts control switch 24 to closed state from open state, finally acts against spring leaf 26 On, entire drilling machine power-off, spindle box motor and motor 14 stall, and one time drilling processing terminates.

In view of what is drilled with bench drill is therefore the relatively thin part of plate class, ring flange class is limited using by cam 141 mostly The workbench 13 of the adjustable height of system can satisfy the requirement of drilling depth completely.

Fig. 1, the tension spring in 2 belong to omissive representation, expression cam use state merely for convenience.

Description of symbols:

1 operating platform component

11 axle sleeves

111 stomatas

12 vertical shafts

13 workbenches

Spring base on 131

132 cam followers

133 bearings

134 clamping screws

14 motors

141 cams

142 limit shaft sleeves

143 cam square keys

144 lock sleeves

145 straight pins

146 motor output shafts

15 tension springs

16 pedestals

161 drop-down spring abutments

162 brackets

163 travel switches

164 adjust bolt

17 columns

171 column axle sleeves

172 opening lock sleeves

2 control assemblies

21 ratchets

211 collision blocks

212 operating shafts

213 ratchet square keys

214 control sticks

215 wind springs

216 auxiliary rods

217 threeway sets

23 pawl bases

24 control switches

25 electromagnet

251 pawls

252 detent pins

26 spring leafs.

Claims (6)

1. a kind of drilling machine with hoistable platform, including operating platform component (1), control assembly (2), it is characterised in that:

Operating platform component (1) includes workbench (13), motor (14), pedestal (16)；

Limit has vertical shaft (12) and column (17) respectively on the both ends of pedestal (16), and one end of workbench (13) liftably limits On vertical shaft (12), the other end of workbench (13) is oriented to by column (17) for position；

The output end of motor (14) is equipped with cam (141)；Workbench (13) lowermost limit has cam follower (132), cam top Bar (132) upper limit has the bearing (133) with cam (141) cooperation；

Ratchet (21) is manually controlled by control stick (214).

2. the drilling machine according to claim 1 with hoistable platform, it is characterised in that: the cam of motor (14) output end (141) straight pin (145) are equipped with, pedestal (16) upper limit has the travel switch (163) matched with straight pin (145)；

Control assembly (2) includes the electromagnet (25) controlled by travel switch (163), the pawl being connected on electromagnet (25) (251), the ratchet (21) with collision block (211) matched with pawl (251), the control switch matched with collision block (211) (24), ratchet (21) is limited by operating shaft (212), and operating shaft (212) is equipped with wind spring (215).

3. the drilling machine according to claim 1 or 2 with hoistable platform, it is characterised in that: control assembly (2) further include with The spring leaf (26) that collision block (211) matches.

4. the drilling machine according to claim 3 with hoistable platform, it is characterised in that: vertical shaft (12) passes through a pair of of vertical shaft axis (11) limit is covered between workbench (13) and pedestal (16), and the vertical shaft axle sleeve (11) of wherein one or two is equipped with stomata (111).

5. the drilling machine according to claim 4 with hoistable platform, it is characterised in that: workbench (13) and pedestal (16) Between also limit have tension spring (15).

6. the drilling machine according to claim 5 with hoistable platform, it is characterised in that: control stick (214) is equipped with auxiliary Bar (216).